22523345120402 has 16 divisors (see below), whose sum is σ = 39399437529600. Its totient is φ = 9652862194164.

The previous prime is 22523345120351. The next prime is 22523345120503. The reversal of 22523345120402 is 20402154332522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16416431618 + ... + 16416432989.

It is an arithmetic number, because the mean of its divisors is an integer number (2462464845600).

Almost surely, 2^{22523345120402} is an apocalyptic number.

22523345120402 is a deficient number, since it is larger than the sum of its proper divisors (16876092409198).

22523345120402 is an equidigital number, since it uses as much as digits as its factorization.

22523345120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32832864630 (or 32832864616 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 22523345120402 its reverse (20402154332522), we get a palindrome (42925499452924).

The spelling of 22523345120402 in words is "twenty-two trillion, five hundred twenty-three billion, three hundred forty-five million, one hundred twenty thousand, four hundred two".