23666373 has 12 divisors (see below), whose sum is σ = 34253388. Its totient is φ = 15745920.

The previous prime is 23666369. The next prime is 23666387. The reversal of 23666373 is 37366632.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6749604 + 16916769 = 2598^2 + 4113^2 .

It is not a de Polignac number, because 23666373 - 2² = 23666369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23666173) 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 11 ways as a sum of consecutive naturals, for example, 2653 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (2854449).

Almost surely, 2^23666373 is an apocalyptic number.

It is an amenable number.

23666373 is a deficient number, since it is larger than the sum of its proper divisors (10587015).

23666373 is a wasteful number, since it uses less digits than its factorization.

23666373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284 (or 5281 counting only the distinct ones).

The product of its digits is 81648, while the sum is 36.

The square root of 23666373 is about 4864.8096571192. The cubic root of 23666373 is about 287.1070796315.

The spelling of 23666373 in words is "twenty-three million, six hundred sixty-six thousand, three hundred seventy-three".