23664741 has 4 divisors (see below), whose sum is σ = 31552992. Its totient is φ = 15776492.

The previous prime is 23664733. The next prime is 23664787. The reversal of 23664741 is 14746632.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23664741 - 2³ = 23664733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23664041) 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, 3944121 + ... + 3944126.

It is an arithmetic number, because the mean of its divisors is an integer number (7888248).

Almost surely, 2^23664741 is an apocalyptic number.

It is an amenable number.

23664741 is a deficient number, since it is larger than the sum of its proper divisors (7888251).

23664741 is an equidigital number, since it uses as much as digits as its factorization.

23664741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888250.

The product of its digits is 24192, while the sum is 33.

The square root of 23664741 is about 4864.6419189905. The cubic root of 23664741 is about 287.1004799789.

The spelling of 23664741 in words is "twenty-three million, six hundred sixty-four thousand, seven hundred forty-one".