23040971 has 2 divisors, whose sum is σ = 23040972. Its totient is φ = 23040970.

The previous prime is 23040931. The next prime is 23041013. The reversal of 23040971 is 17904032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23040971 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23040971.

It is not a weakly prime, because it can be changed into another prime (23040931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11520485 + 11520486.

It is an arithmetic number, because the mean of its divisors is an integer number (11520486).

Almost surely, 2^23040971 is an apocalyptic number.

23040971 is a deficient number, since it is larger than the sum of its proper divisors (1).

23040971 is an equidigital number, since it uses as much as digits as its factorization.

23040971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23040971 is about 4800.1011447677. The cubic root of 23040971 is about 284.5554616912. Note that the first 3 decimals are identical.

The spelling of 23040971 in words is "twenty-three million, forty thousand, nine hundred seventy-one".