23023420431 has 32 divisors (see below), whose sum is σ = 33947375616. Its totient is φ = 13763724000.

The previous prime is 23023420391. The next prime is 23023420439. The reversal of 23023420431 is 13402432032.

It is not a de Polignac number, because 23023420431 - 2⁶ = 23023420367 is a prime.

It is a super-2 number, since 2×23023420431² (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 (23023420439) 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, 705996 + ... + 737886.

It is an arithmetic number, because the mean of its divisors is an integer number (1060855488).

Almost surely, 2^23023420431 is an apocalyptic number.

23023420431 is a deficient number, since it is larger than the sum of its proper divisors (10923955185).

23023420431 is a wasteful number, since it uses less digits than its factorization.

23023420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32203.

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

Adding to 23023420431 its reverse (13402432032), we get a palindrome (36425852463).

The spelling of 23023420431 in words is "twenty-three billion, twenty-three million, four hundred twenty thousand, four hundred thirty-one".