23123122510155 has 16 divisors (see below), whose sum is σ = 37003848710400. Its totient is φ = 12330047774048.

The previous prime is 23123122510133. The next prime is 23123122510183. The reversal of 23123122510155 is 55101522132132.

It is a cyclic number.

It is not a de Polignac number, because 23123122510155 - 2³⁰ = 23122048768331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142680777 + ... + 142842746.

It is an arithmetic number, because the mean of its divisors is an integer number (2312740544400).

Almost surely, 2^{23123122510155} is an apocalyptic number.

23123122510155 is a deficient number, since it is larger than the sum of its proper divisors (13880726200245).

23123122510155 is a wasteful number, since it uses less digits than its factorization.

23123122510155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285528930.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 23123122510155 its reverse (55101522132132), we get a palindrome (78224644642287).

The spelling of 23123122510155 in words is "twenty-three trillion, one hundred twenty-three billion, one hundred twenty-two million, five hundred ten thousand, one hundred fifty-five".