23764321 has 16 divisors (see below), whose sum is σ = 28349440. Its totient is φ = 19491840.

The previous prime is 23764309. The next prime is 23764333. The reversal of 23764321 is 12346732.

It is an interprime number because it is at equal distance from previous prime (23764309) and next prime (23764333).

It is a cyclic number.

It is not a de Polignac number, because 23764321 - 2⁹ = 23763809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23764321.

It is not an unprimeable number, because it can be changed into a prime (23764361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20485 + ... + 21613.

It is an arithmetic number, because the mean of its divisors is an integer number (1771840).

Almost surely, 2^23764321 is an apocalyptic number.

It is an amenable number.

23764321 is a deficient number, since it is larger than the sum of its proper divisors (4585119).

23764321 is a wasteful number, since it uses less digits than its factorization.

23764321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its digits is 6048, while the sum is 28.

The square root of 23764321 is about 4874.8662545756. The cubic root of 23764321 is about 287.5026177455.

The spelling of 23764321 in words is "twenty-three million, seven hundred sixty-four thousand, three hundred twenty-one".