23962649 has 2 divisors, whose sum is σ = 23962650. Its totient is φ = 23962648.

The previous prime is 23962607. The next prime is 23962657. The reversal of 23962649 is 94626932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23697424 + 265225 = 4868^2 + 515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23962649 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23962049) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11981324 + 11981325.

It is an arithmetic number, because the mean of its divisors is an integer number (11981325).

Almost surely, 2^23962649 is an apocalyptic number.

It is an amenable number.

23962649 is a deficient number, since it is larger than the sum of its proper divisors (1).

23962649 is an equidigital number, since it uses as much as digits as its factorization.

23962649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 23962649 is about 4895.1658807440. The cubic root of 23962649 is about 288.3001989686.

The spelling of 23962649 in words is "twenty-three million, nine hundred sixty-two thousand, six hundred forty-nine".