23211410155 has 16 divisors (see below), whose sum is σ = 29071423584. Its totient is φ = 17774398720.

The previous prime is 23211410141. The next prime is 23211410197. The reversal of 23211410155 is 55101411232.

It is not a de Polignac number, because 23211410155 - 2²³ = 23203021547 is a prime.

It is a super-2 number, since 2×23211410155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 1057309 + ... + 1079038.

It is an arithmetic number, because the mean of its divisors is an integer number (1816963974).

Almost surely, 2^23211410155 is an apocalyptic number.

23211410155 is a deficient number, since it is larger than the sum of its proper divisors (5860013429).

23211410155 is a wasteful number, since it uses less digits than its factorization.

23211410155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136446.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 23211410155 its reverse (55101411232), we get a palindrome (78312821387).

The spelling of 23211410155 in words is "twenty-three billion, two hundred eleven million, four hundred ten thousand, one hundred fifty-five".