23013153534 has 32 divisors (see below), whose sum is σ = 52663242240. Its totient is φ = 6567468192.

The previous prime is 23013153503. The next prime is 23013153563. The reversal of 23013153534 is 43535131032.

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, 285354 + ... + 357005.

It is an arithmetic number, because the mean of its divisors is an integer number (1645726320).

Almost surely, 2^23013153534 is an apocalyptic number.

23013153534 is an abundant number, since it is smaller than the sum of its proper divisors (29650088706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23013153534 is a wasteful number, since it uses less digits than its factorization.

23013153534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643224.

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

Adding to 23013153534 its reverse (43535131032), we get a palindrome (66548284566).

The spelling of 23013153534 in words is "twenty-three billion, thirteen million, one hundred fifty-three thousand, five hundred thirty-four".