23764973 has 2 divisors, whose sum is σ = 23764974. Its totient is φ = 23764972.

The previous prime is 23764921. The next prime is 23764981. The reversal of 23764973 is 37946732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23687689 + 77284 = 4867^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 23764973 - 2¹⁴ = 23748589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23764973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23764913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11882486 + 11882487.

It is an arithmetic number, because the mean of its divisors is an integer number (11882487).

Almost surely, 2^23764973 is an apocalyptic number.

It is an amenable number.

23764973 is a deficient number, since it is larger than the sum of its proper divisors (1).

23764973 is an equidigital number, since it uses as much as digits as its factorization.

23764973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 23764973 is about 4874.9331277465. The cubic root of 23764973 is about 287.5052470372.

The spelling of 23764973 in words is "twenty-three million, seven hundred sixty-four thousand, nine hundred seventy-three".