23122153455 has 16 divisors (see below), whose sum is σ = 38942574720. Its totient is φ = 11682772128.

The previous prime is 23122153447. The next prime is 23122153463. The reversal of 23122153455 is 55435122132.

It is an interprime number because it is at equal distance from previous prime (23122153447) and next prime (23122153463).

It is not a de Polignac number, because 23122153455 - 2³ = 23122153447 is a prime.

It is a congruent number.

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, 40564897 + ... + 40565466.

It is an arithmetic number, because the mean of its divisors is an integer number (2433910920).

Almost surely, 2^23122153455 is an apocalyptic number.

23122153455 is a deficient number, since it is larger than the sum of its proper divisors (15820421265).

23122153455 is a wasteful number, since it uses less digits than its factorization.

23122153455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81130390.

The product of its digits is 36000, while the sum is 33.

Adding to 23122153455 its reverse (55435122132), we get a palindrome (78557275587).

The spelling of 23122153455 in words is "twenty-three billion, one hundred twenty-two million, one hundred fifty-three thousand, four hundred fifty-five".