23966737 has 2 divisors, whose sum is σ = 23966738. Its totient is φ = 23966736.

The previous prime is 23966711. The next prime is 23966749. The reversal of 23966737 is 73766932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18931201 + 5035536 = 4351^2 + 2244^2 .

It is a cyclic number.

It is not a de Polignac number, because 23966737 - 2¹⁹ = 23442449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23966693 and 23966702.

It is not a weakly prime, because it can be changed into another prime (23966707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11983368 + 11983369.

It is an arithmetic number, because the mean of its divisors is an integer number (11983369).

Almost surely, 2^23966737 is an apocalyptic number.

It is an amenable number.

23966737 is a deficient number, since it is larger than the sum of its proper divisors (1).

23966737 is an equidigital number, since it uses as much as digits as its factorization.

23966737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 43.

The square root of 23966737 is about 4895.5834177348. The cubic root of 23966737 is about 288.3165925958.

The spelling of 23966737 in words is "twenty-three million, nine hundred sixty-six thousand, seven hundred thirty-seven".