23669320 has 32 divisors (see below), whose sum is σ = 53609400. Its totient is φ = 9404928.

The previous prime is 23669309. The next prime is 23669329. The reversal of 23669320 is 2396632.

It can be written as a sum of positive squares in 4 ways, for example, as 20232004 + 3437316 = 4498^2 + 1854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23669329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4396 + ... + 8164.

Almost surely, 2^23669320 is an apocalyptic number.

23669320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23669320 is an abundant number, since it is smaller than the sum of its proper divisors (29940080).

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

23669320 is a wasteful number, since it uses less digits than its factorization.

23669320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 23669320 is about 4865.1125372390. The cubic root of 23669320 is about 287.1189962505.

The spelling of 23669320 in words is "twenty-three million, six hundred sixty-nine thousand, three hundred twenty".