403300023231 has 32 divisors (see below), whose sum is σ = 631247488000. Its totient is φ = 228930861600.

The previous prime is 403300023197. The next prime is 403300023241. The reversal of 403300023231 is 132320003304.

It is not a de Polignac number, because 403300023231 - 2¹⁰ = 403300022207 is a prime.

It is a super-2 number, since 2×403300023231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403300023198 and 403300023207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403300023241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1142416 + ... + 1453173.

It is an arithmetic number, because the mean of its divisors is an integer number (19726484000).

Almost surely, 2^403300023231 is an apocalyptic number.

403300023231 is a deficient number, since it is larger than the sum of its proper divisors (227947464769).

403300023231 is a wasteful number, since it uses less digits than its factorization.

403300023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595764 (or 2595750 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 403300023231 its reverse (132320003304), we get a palindrome (535620026535).

The spelling of 403300023231 in words is "four hundred three billion, three hundred million, twenty-three thousand, two hundred thirty-one".