423113202031 has 4 divisors (see below), whose sum is σ = 455660371432. Its totient is φ = 390566032632.

The previous prime is 423113202019. The next prime is 423113202041. The reversal of 423113202031 is 130202311324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423113202031 - 2³³ = 414523267439 is a prime.

It is a super-2 number, since 2×423113202031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423113201993 and 423113202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423113202041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16273584681 + ... + 16273584706.

It is an arithmetic number, because the mean of its divisors is an integer number (113915092858).

Almost surely, 2^423113202031 is an apocalyptic number.

423113202031 is a deficient number, since it is larger than the sum of its proper divisors (32547169401).

423113202031 is a wasteful number, since it uses less digits than its factorization.

423113202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32547169400.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 423113202031 its reverse (130202311324), we get a palindrome (553315513355).

The spelling of 423113202031 in words is "four hundred twenty-three billion, one hundred thirteen million, two hundred two thousand, thirty-one".