423503234031 has 16 divisors (see below), whose sum is σ = 600093163008. Its totient is φ = 264746966400.

The previous prime is 423503234023. The next prime is 423503234041. The reversal of 423503234031 is 130432305324.

It is not a de Polignac number, because 423503234031 - 2³ = 423503234023 is a prime.

It is a super-2 number, since 2×423503234031² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423503234031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423503234041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15307185 + ... + 15334826.

It is an arithmetic number, because the mean of its divisors is an integer number (37505822688).

Almost surely, 2^423503234031 is an apocalyptic number.

423503234031 is a deficient number, since it is larger than the sum of its proper divisors (176589928977).

423503234031 is a wasteful number, since it uses less digits than its factorization.

423503234031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30642302.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 423503234031 its reverse (130432305324), we get a palindrome (553935539355).

The spelling of 423503234031 in words is "four hundred twenty-three billion, five hundred three million, two hundred thirty-four thousand, thirty-one".