23111234580 has 48 divisors (see below), whose sum is σ = 73955952000. Its totient is φ = 5282567808.

The previous prime is 23111234521. The next prime is 23111234621. The reversal of 23111234580 is 8543211132.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 27512955 + ... + 27513794.

It is an arithmetic number, because the mean of its divisors is an integer number (1540749000).

Almost surely, 2^23111234580 is an apocalyptic number.

23111234580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23111234580 is an abundant number, since it is smaller than the sum of its proper divisors (50844717420).

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

23111234580 is a wasteful number, since it uses less digits than its factorization.

23111234580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55026768 (or 55026766 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 23111234580 in words is "twenty-three billion, one hundred eleven million, two hundred thirty-four thousand, five hundred eighty".