23756947 has 2 divisors, whose sum is σ = 23756948. Its totient is φ = 23756946.

The previous prime is 23756869. The next prime is 23756951. The reversal of 23756947 is 74965732.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23756947 is a prime.

It is not a weakly prime, because it can be changed into another prime (23756977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11878473 + 11878474.

It is an arithmetic number, because the mean of its divisors is an integer number (11878474).

Almost surely, 2^23756947 is an apocalyptic number.

23756947 is a deficient number, since it is larger than the sum of its proper divisors (1).

23756947 is an equidigital number, since it uses as much as digits as its factorization.

23756947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 23756947 is about 4874.1098674527. The cubic root of 23756947 is about 287.4728775926.

The spelling of 23756947 in words is "twenty-three million, seven hundred fifty-six thousand, nine hundred forty-seven".