23981652 has 36 divisors (see below), whose sum is σ = 61768980. Its totient is φ = 7842432.

The previous prime is 23981647. The next prime is 23981687. The reversal of 23981652 is 25618932.

It can be written as a sum of positive squares in 2 ways, for example, as 21566736 + 2414916 = 4644^2 + 1554^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4377 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (1715805).

Almost surely, 2^23981652 is an apocalyptic number.

It is an amenable number.

23981652 is an abundant number, since it is smaller than the sum of its proper divisors (37787328).

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

23981652 is a wasteful number, since it uses less digits than its factorization.

23981652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632 (or 12627 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 23981652 is about 4897.1064926138. The cubic root of 23981652 is about 288.3763886685.

The spelling of 23981652 in words is "twenty-three million, nine hundred eighty-one thousand, six hundred fifty-two".