23040929 has 2 divisors, whose sum is σ = 23040930. Its totient is φ = 23040928.

The previous prime is 23040889. The next prime is 23040931. The reversal of 23040929 is 92904032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16589329 + 6451600 = 4073^2 + 2540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23040929 is a prime.

Together with 23040931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23040229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11520464 + 11520465.

It is an arithmetic number, because the mean of its divisors is an integer number (11520465).

Almost surely, 2^23040929 is an apocalyptic number.

It is an amenable number.

23040929 is a deficient number, since it is larger than the sum of its proper divisors (1).

23040929 is an equidigital number, since it uses as much as digits as its factorization.

23040929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23040929 is about 4800.0967698579. The cubic root of 23040929 is about 284.5552887915. Note that the first 3 decimals are identical.

The spelling of 23040929 in words is "twenty-three million, forty thousand, nine hundred twenty-nine".