23540711 has 2 divisors, whose sum is σ = 23540712. Its totient is φ = 23540710.

The previous prime is 23540681. The next prime is 23540723. The reversal of 23540711 is 11704532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23540711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23540731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770355 + 11770356.

It is an arithmetic number, because the mean of its divisors is an integer number (11770356).

Almost surely, 2^23540711 is an apocalyptic number.

23540711 is a deficient number, since it is larger than the sum of its proper divisors (1).

23540711 is an equidigital number, since it uses as much as digits as its factorization.

23540711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 23540711 is about 4851.8770594482. The cubic root of 23540711 is about 286.5980240972.

The spelling of 23540711 in words is "twenty-three million, five hundred forty thousand, seven hundred eleven".