23433142131 has 80 divisors (see below), whose sum is σ = 41223069888. Its totient is φ = 12989030400.

The previous prime is 23433142123. The next prime is 23433142153. The reversal of 23433142131 is 13124133432.

It is a happy number.

23433142131 is a `hidden beast` number, since 2 + 3 + 433 + 14 + 213 + 1 = 666.

It is not a de Polignac number, because 23433142131 - 2³ = 23433142123 is a prime.

It is a super-2 number, since 2×23433142131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23433142095 and 23433142104.

It is not an unprimeable number, because it can be changed into a prime (23433142181) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2520211 + ... + 2529491.

Almost surely, 2^23433142131 is an apocalyptic number.

23433142131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23433142131 is a deficient number, since it is larger than the sum of its proper divisors (17789927757).

23433142131 is an equidigital number, since it uses as much as digits as its factorization.

23433142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434 (or 9425 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 23433142131 its reverse (13124133432), we get a palindrome (36557275563).

The spelling of 23433142131 in words is "twenty-three billion, four hundred thirty-three million, one hundred forty-two thousand, one hundred thirty-one".