23433232220431 has 16 divisors (see below), whose sum is σ = 26747667698688. Its totient is φ = 20321201181600.

The previous prime is 23433232220413. The next prime is 23433232220473. The reversal of 23433232220431 is 13402223233432.

It is not a de Polignac number, because 23433232220431 - 2²⁵ = 23433198665999 is a prime.

It is a super-2 number, since 2×23433232220431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23433232220231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126094440 + ... + 126280141.

It is an arithmetic number, because the mean of its divisors is an integer number (1671729231168).

Almost surely, 2^{23433232220431} is an apocalyptic number.

23433232220431 is a deficient number, since it is larger than the sum of its proper divisors (3314435478257).

23433232220431 is a wasteful number, since it uses less digits than its factorization.

23433232220431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252374982.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 23433232220431 its reverse (13402223233432), we get a palindrome (36835455453863).

The spelling of 23433232220431 in words is "twenty-three trillion, four hundred thirty-three billion, two hundred thirty-two million, two hundred twenty thousand, four hundred thirty-one".