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23122232101 = 59391902239
BaseRepresentation
bin10101100010001100…
…010100001100100101
32012200102120002111201
4111202030110030211
5334323242411401
614342221402501
71445663505253
oct254214241445
965612502451
1023122232101
119895996231
124593709431
1322464b8057
141194c295d3
15904e06b01
hex562314325

23122232101 has 4 divisors (see below), whose sum is σ = 23514134400. Its totient is φ = 22730329804.

The previous prime is 23122232093. The next prime is 23122232113. The reversal of 23122232101 is 10123222132.

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 23122232101 - 23 = 23122232093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122232201) 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, 195951061 + ... + 195951178.

It is an arithmetic number, because the mean of its divisors is an integer number (5878533600).

Almost surely, 223122232101 is an apocalyptic number.

It is an amenable number.

23122232101 is a deficient number, since it is larger than the sum of its proper divisors (391902299).

23122232101 is an equidigital number, since it uses as much as digits as its factorization.

23122232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391902298.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23122232101 its reverse (10123222132), we get a palindrome (33245454233).

The spelling of 23122232101 in words is "twenty-three billion, one hundred twenty-two million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 59 391902239 23122232101