22431423132 has 36 divisors (see below), whose sum is σ = 56731559976. Its totient is φ = 7473197280.

The previous prime is 22431423073. The next prime is 22431423149. The reversal of 22431423132 is 23132413422.

22431423132 is a `hidden beast` number, since 224 + 3 + 1 + 423 + 13 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22431423096 and 22431423105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94719 + ... + 232022.

It is an arithmetic number, because the mean of its divisors is an integer number (1575876666).

Almost surely, 2^22431423132 is an apocalyptic number.

It is an amenable number.

22431423132 is an abundant number, since it is smaller than the sum of its proper divisors (34300136844).

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

22431423132 is a wasteful number, since it uses less digits than its factorization.

22431423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328658 (or 328653 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 22431423132 its reverse (23132413422), we get a palindrome (45563836554).

The spelling of 22431423132 in words is "twenty-two billion, four hundred thirty-one million, four hundred twenty-three thousand, one hundred thirty-two".