23200380 has 72 divisors (see below), whose sum is σ = 80432352. Its totient is φ = 5302656.

The previous prime is 23200367. The next prime is 23200381. The reversal of 23200380 is 8300232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7947 + ... + 10466.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^23200380 is an apocalyptic number.

23200380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23200380 is an abundant number, since it is smaller than the sum of its proper divisors (57231972).

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

23200380 is a wasteful number, since it uses less digits than its factorization.

23200380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18435 (or 18430 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23200380 is about 4816.6772779583. The cubic root of 23200380 is about 285.2101865935.

The spelling of 23200380 in words is "twenty-three million, two hundred thousand, three hundred eighty".