23540723 has 2 divisors, whose sum is σ = 23540724. Its totient is φ = 23540722.

The previous prime is 23540711. The next prime is 23540729. The reversal of 23540723 is 32704532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23540723 - 2¹² = 23536627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23540692 and 23540701.

It is not a weakly prime, because it can be changed into another prime (23540729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770361 + 11770362.

It is an arithmetic number, because the mean of its divisors is an integer number (11770362).

Almost surely, 2^23540723 is an apocalyptic number.

23540723 is a deficient number, since it is larger than the sum of its proper divisors (1).

23540723 is an equidigital number, since it uses as much as digits as its factorization.

23540723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 23540723 is about 4851.8782960829. The cubic root of 23540723 is about 286.5980727955.

The spelling of 23540723 in words is "twenty-three million, five hundred forty thousand, seven hundred twenty-three".