23433142431 has 16 divisors (see below), whose sum is σ = 33149495808. Its totient is φ = 14673187200.

The previous prime is 23433142399. The next prime is 23433142433. The reversal of 23433142431 is 13424133432.

It is a happy number.

It is not a de Polignac number, because 23433142431 - 2⁵ = 23433142399 is a prime.

It is a super-2 number, since 2×23433142431² (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 (23433142433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442855 + ... + 492936.

It is an arithmetic number, because the mean of its divisors is an integer number (2071843488).

Almost surely, 2^23433142431 is an apocalyptic number.

23433142431 is a deficient number, since it is larger than the sum of its proper divisors (9716353377).

23433142431 is a wasteful number, since it uses less digits than its factorization.

23433142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936302.

The product of its digits is 20736, while the sum is 30.

Adding to 23433142431 its reverse (13424133432), we get a palindrome (36857275863).

The spelling of 23433142431 in words is "twenty-three billion, four hundred thirty-three million, one hundred forty-two thousand, four hundred thirty-one".