823972002 has 32 divisors (see below), whose sum is σ = 1944121344. Its totient is φ = 227826000.

The previous prime is 823971991. The next prime is 823972021. The reversal of 823972002 is 200279328.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315124 + ... + 317727.

It is an arithmetic number, because the mean of its divisors is an integer number (60753792).

Almost surely, 2^823972002 is an apocalyptic number.

823972002 is an abundant number, since it is smaller than the sum of its proper divisors (1120149342).

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

823972002 is a wasteful number, since it uses less digits than its factorization.

823972002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632894.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 823972002 is about 28704.9125063986. The cubic root of 823972002 is about 937.4990111278.

The spelling of 823972002 in words is "eight hundred twenty-three million, nine hundred seventy-two thousand, two".