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2232130123 = 2530188223
BaseRepresentation
bin1000010100001011…
…1001101001001011
312202120010221220001
42011002321221023
514032411130443
61005254143431
7106212535666
oct20502715113
95676127801
102232130123
11a45a85443
12523651b77
132975a1072
141726426dd
15d0e66d4d
hex850b9a4b

2232130123 has 4 divisors (see below), whose sum is σ = 2232243648. Its totient is φ = 2232016600.

The previous prime is 2232130081. The next prime is 2232130207. The reversal of 2232130123 is 3210312322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2232130123 is a prime.

It is a super-3 number, since 3×22321301233 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2232130123.

It is not an unprimeable number, because it can be changed into a prime (2232130723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18811 + ... + 69412.

It is an arithmetic number, because the mean of its divisors is an integer number (558060912).

Almost surely, 22232130123 is an apocalyptic number.

2232130123 is a deficient number, since it is larger than the sum of its proper divisors (113525).

2232130123 is an equidigital number, since it uses as much as digits as its factorization.

2232130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113524.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2232130123 is about 47245.4243604606. The cubic root of 2232130123 is about 1306.8924111989.

Adding to 2232130123 its reverse (3210312322), we get a palindrome (5442442445).

It can be divided in two parts, 2232 and 130123, that added together give a triangular number (132355 = T514).

The spelling of 2232130123 in words is "two billion, two hundred thirty-two million, one hundred thirty thousand, one hundred twenty-three".

Divisors: 1 25301 88223 2232130123