23213453522 has 32 divisors (see below), whose sum is σ = 42712572672. Its totient is φ = 9235137024.

The previous prime is 23213453507. The next prime is 23213453561. The reversal of 23213453522 is 22535431232.

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, 650678 + ... + 685425.

It is an arithmetic number, because the mean of its divisors is an integer number (1334767896).

Almost surely, 2^23213453522 is an apocalyptic number.

23213453522 is a deficient number, since it is larger than the sum of its proper divisors (19499119150).

23213453522 is a wasteful number, since it uses less digits than its factorization.

23213453522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336202.

The product of its digits is 43200, while the sum is 32.

Adding to 23213453522 its reverse (22535431232), we get a palindrome (45748884754).

The spelling of 23213453522 in words is "twenty-three billion, two hundred thirteen million, four hundred fifty-three thousand, five hundred twenty-two".