23356380 has 24 divisors (see below), whose sum is σ = 65398032. Its totient is φ = 6228352.

The previous prime is 23356367. The next prime is 23356381. The reversal of 23356380 is 8365332.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23356381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194577 + ... + 194696.

It is an arithmetic number, because the mean of its divisors is an integer number (2724918).

Almost surely, 2^23356380 is an apocalyptic number.

23356380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23356380 is an abundant number, since it is smaller than the sum of its proper divisors (42041652).

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

23356380 is a wasteful number, since it uses less digits than its factorization.

23356380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389285 (or 389283 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 23356380 is about 4832.8438832638. The cubic root of 23356380 is about 285.8480128761.

The spelling of 23356380 in words is "twenty-three million, three hundred fifty-six thousand, three hundred eighty".