23770657 has 2 divisors, whose sum is σ = 23770658. Its totient is φ = 23770656.

The previous prime is 23770651. The next prime is 23770697. The reversal of 23770657 is 75607732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 11826721 = 3456^2 + 3439^2 .

It is a cyclic number.

It is not a de Polignac number, because 23770657 - 2¹⁹ = 23246369 is a prime.

It is not a weakly prime, because it can be changed into another prime (23770651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11885328 + 11885329.

It is an arithmetic number, because the mean of its divisors is an integer number (11885329).

Almost surely, 2^23770657 is an apocalyptic number.

It is an amenable number.

23770657 is a deficient number, since it is larger than the sum of its proper divisors (1).

23770657 is an equidigital number, since it uses as much as digits as its factorization.

23770657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 23770657 is about 4875.5160752478. The cubic root of 23770657 is about 287.5281666166.

The spelling of 23770657 in words is "twenty-three million, seven hundred seventy thousand, six hundred fifty-seven".