423023417 has 2 divisors, whose sum is σ = 423023418. Its totient is φ = 423023416.

The previous prime is 423023407. The next prime is 423023423. The reversal of 423023417 is 714320324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354531241 + 68492176 = 18829^2 + 8276^2 .

It is a cyclic number.

It is not a de Polignac number, because 423023417 - 2⁴ = 423023401 is a prime.

It is a super-2 number, since 2×423023417² = 357897622660711778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423023407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211511708 + 211511709.

It is an arithmetic number, because the mean of its divisors is an integer number (211511709).

Almost surely, 2^423023417 is an apocalyptic number.

It is an amenable number.

423023417 is a deficient number, since it is larger than the sum of its proper divisors (1).

423023417 is an equidigital number, since it uses as much as digits as its factorization.

423023417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 423023417 is about 20567.5330800755. The cubic root of 423023417 is about 750.6799268205.

The spelling of 423023417 in words is "four hundred twenty-three million, twenty-three thousand, four hundred seventeen".