23303211231 has 12 divisors (see below), whose sum is σ = 32480596568. Its totient is φ = 14860017744.

The previous prime is 23303211209. The next prime is 23303211233. The reversal of 23303211231 is 13211230332.

It is not a de Polignac number, because 23303211231 - 2¹³ = 23303203039 is a prime.

It is a super-2 number, since 2×23303211231² (a number of 22 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 = 23303211198 and 23303211207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303211233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7340320 + ... + 7343493.

Almost surely, 2^23303211231 is an apocalyptic number.

23303211231 is a deficient number, since it is larger than the sum of its proper divisors (9177385337).

23303211231 is a wasteful number, since it uses less digits than its factorization.

23303211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14683862 (or 14683839 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23303211231 its reverse (13211230332), we get a palindrome (36514441563).

The spelling of 23303211231 in words is "twenty-three billion, three hundred three million, two hundred eleven thousand, two hundred thirty-one".