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2023230133 = 10319643011
BaseRepresentation
bin111100010011000…
…0000101010110101
312020000001201222101
41320212000222311
513120421331013
6532432502101
7101065113061
oct17046005265
95200051871
102023230133
11949073821
124856aa931
1326321bac2
141529c4aa1
15bc9508dd
hex78980ab5

2023230133 has 4 divisors (see below), whose sum is σ = 2042873248. Its totient is φ = 2003587020.

The previous prime is 2023230107. The next prime is 2023230149. The reversal of 2023230133 is 3310323202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023230133 - 25 = 2023230101 is a prime.

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 2023230133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023230233) 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, 9821403 + ... + 9821608.

It is an arithmetic number, because the mean of its divisors is an integer number (510718312).

Almost surely, 22023230133 is an apocalyptic number.

It is an amenable number.

2023230133 is a deficient number, since it is larger than the sum of its proper divisors (19643115).

2023230133 is a wasteful number, since it uses less digits than its factorization.

2023230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19643114.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2023230133 is about 44980.3305123473. The cubic root of 2023230133 is about 1264.7803069037.

Adding to 2023230133 its reverse (3310323202), we get a palindrome (5333553335).

The spelling of 2023230133 in words is "two billion, twenty-three million, two hundred thirty thousand, one hundred thirty-three".

Divisors: 1 103 19643011 2023230133