407972023 has 2 divisors, whose sum is σ = 407972024. Its totient is φ = 407972022.

The previous prime is 407972021. The next prime is 407972039. The reversal of 407972023 is 320279704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 407972023 - 2¹ = 407972021 is a prime.

Together with 407972021, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 407972023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407972021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203986011 + 203986012.

It is an arithmetic number, because the mean of its divisors is an integer number (203986012).

Almost surely, 2^407972023 is an apocalyptic number.

407972023 is a deficient number, since it is larger than the sum of its proper divisors (1).

407972023 is an equidigital number, since it uses as much as digits as its factorization.

407972023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 407972023 is about 20198.3173309066. The cubic root of 407972023 is about 741.6690007305.

The spelling of 407972023 in words is "four hundred seven million, nine hundred seventy-two thousand, twenty-three".