823133632 has 14 divisors (see below), whose sum is σ = 1633405928. Its totient is φ = 411566784.

The previous prime is 823133629. The next prime is 823133687. The reversal of 823133632 is 236331328.

It is a super-2 number, since 2×823133632² = 1355097952259022848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 823133594 and 823133603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6430668 + ... + 6430795.

It is an arithmetic number, because the mean of its divisors is an integer number (116671852).

Almost surely, 2^823133632 is an apocalyptic number.

It is an amenable number.

823133632 is a deficient number, since it is larger than the sum of its proper divisors (810272296).

823133632 is a wasteful number, since it uses less digits than its factorization.

823133632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12861475 (or 12861465 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 823133632 is about 28690.3055403737. The cubic root of 823133632 is about 937.1809429721.

The spelling of 823133632 in words is "eight hundred twenty-three million, one hundred thirty-three thousand, six hundred thirty-two".