23123380 has 48 divisors (see below), whose sum is σ = 58423680. Its totient is φ = 7509888.

The previous prime is 23123363. The next prime is 23123381. The reversal of 23123380 is 8332132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 7006.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 2^23123380 is an apocalyptic number.

23123380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23123380 is an abundant number, since it is smaller than the sum of its proper divisors (35300300).

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

23123380 is a wasteful number, since it uses less digits than its factorization.

23123380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728 (or 8726 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23123380 is about 4808.6775728884. The cubic root of 23123380 is about 284.8943077875.

The spelling of 23123380 in words is "twenty-three million, one hundred twenty-three thousand, three hundred eighty".