423017251257 has 24 divisors (see below), whose sum is σ = 608974709632. Its totient is φ = 261071366400.

The previous prime is 423017251231. The next prime is 423017251421. The reversal of 423017251257 is 752152710324.

423017251257 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 423017251257 - 2⁸ = 423017251001 is a prime.

It is a super-2 number, since 2×423017251257² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423017252257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3946369 + ... + 4052142.

Almost surely, 2^423017251257 is an apocalyptic number.

It is an amenable number.

423017251257 is a deficient number, since it is larger than the sum of its proper divisors (185957458375).

423017251257 is a wasteful number, since it uses less digits than its factorization.

423017251257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998609 (or 7998592 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 423017251257 in words is "four hundred twenty-three billion, seventeen million, two hundred fifty-one thousand, two hundred fifty-seven".