23109229880 has 64 divisors (see below), whose sum is σ = 57169428480. Its totient is φ = 8337168000.

The previous prime is 23109229849. The next prime is 23109229907. The reversal of 23109229880 is 8892290132.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 150896 + ... + 262655.

It is an arithmetic number, because the mean of its divisors is an integer number (893272320).

Almost surely, 2^23109229880 is an apocalyptic number.

23109229880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23109229880 is an abundant number, since it is smaller than the sum of its proper divisors (34060198600).

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

23109229880 is a wasteful number, since it uses less digits than its factorization.

23109229880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413700 (or 413696 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 23109229880 in words is "twenty-three billion, one hundred nine million, two hundred twenty-nine thousand, eight hundred eighty".