23181361024 has 32 divisors (see below), whose sum is σ = 48898188000. Its totient is φ = 10908874752.

The previous prime is 23181361019. The next prime is 23181361037. The reversal of 23181361024 is 42016318132.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5324424 + ... + 5328775.

It is an arithmetic number, because the mean of its divisors is an integer number (1528068375).

Almost surely, 2^23181361024 is an apocalyptic number.

It is an amenable number.

23181361024 is an abundant number, since it is smaller than the sum of its proper divisors (25716826976).

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

23181361024 is a wasteful number, since it uses less digits than its factorization.

23181361024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10653230 (or 10653218 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 23181361024 its reverse (42016318132), we get a palindrome (65197679156).

The spelling of 23181361024 in words is "twenty-three billion, one hundred eighty-one million, three hundred sixty-one thousand, twenty-four".