23134330155 has 32 divisors (see below), whose sum is σ = 37943861760. Its totient is φ = 12029080320.

The previous prime is 23134330147. The next prime is 23134330157. The reversal of 23134330155 is 55103343132.

It is not a de Polignac number, because 23134330155 - 2³ = 23134330147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23134330157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936756 + ... + 961134.

It is an arithmetic number, because the mean of its divisors is an integer number (1185745680).

Almost surely, 2^23134330155 is an apocalyptic number.

23134330155 is a deficient number, since it is larger than the sum of its proper divisors (14809531605).

23134330155 is a wasteful number, since it uses less digits than its factorization.

23134330155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25971.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 23134330155 its reverse (55103343132), we get a palindrome (78237673287).

The spelling of 23134330155 in words is "twenty-three billion, one hundred thirty-four million, three hundred thirty thousand, one hundred fifty-five".