24921023 has 2 divisors, whose sum is σ = 24921024. Its totient is φ = 24921022.

The previous prime is 24921011. The next prime is 24921041. The reversal of 24921023 is 32012942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24921023 - 2⁴ = 24921007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24921023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24921073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12460511 + 12460512.

It is an arithmetic number, because the mean of its divisors is an integer number (12460512).

Almost surely, 2^24921023 is an apocalyptic number.

24921023 is a deficient number, since it is larger than the sum of its proper divisors (1).

24921023 is an equidigital number, since it uses as much as digits as its factorization.

24921023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 24921023 is about 4992.0960527618. The cubic root of 24921023 is about 292.0935421517.

Adding to 24921023 its reverse (32012942), we get a palindrome (56933965).

The spelling of 24921023 in words is "twenty-four million, nine hundred twenty-one thousand, twenty-three".