23302420431 has 12 divisors (see below), whose sum is σ = 32178217032. Its totient is φ = 14999257504.

The previous prime is 23302420423. The next prime is 23302420433. The reversal of 23302420431 is 13402420332.

It is not a de Polignac number, because 23302420431 - 2³ = 23302420423 is a prime.

It is a super-2 number, since 2×23302420431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23302420433) 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, 4615476 + ... + 4620521.

It is an arithmetic number, because the mean of its divisors is an integer number (2681518086).

Almost surely, 2^23302420431 is an apocalyptic number.

23302420431 is a deficient number, since it is larger than the sum of its proper divisors (8875796601).

23302420431 is an equidigital number, since it uses as much as digits as its factorization.

23302420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236058 (or 9236029 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23302420431 its reverse (13402420332), we get a palindrome (36704840763).

Subtracting from 23302420431 its reverse (13402420332), we obtain a palindrome (9900000099).

The spelling of 23302420431 in words is "twenty-three billion, three hundred two million, four hundred twenty thousand, four hundred thirty-one".