23423435424 has 36 divisors (see below), whose sum is σ = 66610395306. Its totient is φ = 7807811712.

The previous prime is 23423435419. The next prime is 23423435447. The reversal of 23423435424 is 42453432432.

It can be written as a sum of positive squares in only one way, i.e., 14287899024 + 9135536400 = 119532^2 + 95580^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40665399 + ... + 40665974.

Almost surely, 2^23423435424 is an apocalyptic number.

23423435424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23423435424 is an abundant number, since it is smaller than the sum of its proper divisors (43186959882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23423435424 is a wasteful number, since it uses less digits than its factorization.

23423435424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81331389 (or 81331378 counting only the distinct ones).

The product of its digits is 276480, while the sum is 36.

Adding to 23423435424 its reverse (42453432432), we get a palindrome (65876867856).

The spelling of 23423435424 in words is "twenty-three billion, four hundred twenty-three million, four hundred thirty-five thousand, four hundred twenty-four".