23990612 has 12 divisors (see below), whose sum is σ = 42165396. Its totient is φ = 11943360.

The previous prime is 23990611. The next prime is 23990651. The reversal of 23990612 is 21609932.

It can be written as a sum of positive squares in 2 ways, for example, as 10784656 + 13205956 = 3284^2 + 3634^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23990611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11939 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (3513783).

Almost surely, 2^23990612 is an apocalyptic number.

It is an amenable number.

23990612 is a deficient number, since it is larger than the sum of its proper divisors (18174784).

23990612 is a wasteful number, since it uses less digits than its factorization.

23990612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25978 (or 25976 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 23990612 is about 4898.0212331104. The cubic root of 23990612 is about 288.4122984926.

The spelling of 23990612 in words is "twenty-three million, nine hundred ninety thousand, six hundred twelve".