23135880 has 32 divisors (see below), whose sum is σ = 69408000. Its totient is φ = 6169536.

The previous prime is 23135869. The next prime is 23135921. The reversal of 23135880 is 8853132.

It is a happy number.

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

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, 96280 + ... + 96519.

It is an arithmetic number, because the mean of its divisors is an integer number (2169000).

Almost surely, 2^23135880 is an apocalyptic number.

23135880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23135880 is an abundant number, since it is smaller than the sum of its proper divisors (46272120).

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

23135880 is a wasteful number, since it uses less digits than its factorization.

23135880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192813 (or 192809 counting only the distinct ones).

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

The square root of 23135880 is about 4809.9771309228. The cubic root of 23135880 is about 284.9456344439.

The spelling of 23135880 in words is "twenty-three million, one hundred thirty-five thousand, eight hundred eighty".