21433423032 has 96 divisors (see below), whose sum is σ = 66819043200. Its totient is φ = 6079758912.

The previous prime is 21433423027. The next prime is 21433423061. The reversal of 21433423032 is 23032433412.

21433423032 is a `hidden beast` number, since 2 + 14 + 3 + 342 + 303 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21433422987 and 21433423005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82918 + ... + 223029.

It is an arithmetic number, because the mean of its divisors is an integer number (696031700).

Almost surely, 2^21433423032 is an apocalyptic number.

It is an amenable number.

21433423032 is an abundant number, since it is smaller than the sum of its proper divisors (45385620168).

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

21433423032 is a wasteful number, since it uses less digits than its factorization.

21433423032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306105 (or 306098 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 21433423032 its reverse (23032433412), we get a palindrome (44465856444).

The spelling of 21433423032 in words is "twenty-one billion, four hundred thirty-three million, four hundred twenty-three thousand, thirty-two".