653223372 has 24 divisors (see below), whose sum is σ = 1530908736. Its totient is φ = 216781008.

The previous prime is 653223349. The next prime is 653223377. The reversal of 653223372 is 273322356.

It is not an unprimeable number, because it can be changed into a prime (653223377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117178 + ... + 122625.

It is an arithmetic number, because the mean of its divisors is an integer number (63787864).

Almost surely, 2^653223372 is an apocalyptic number.

It is an amenable number.

653223372 is an abundant number, since it is smaller than the sum of its proper divisors (877685364).

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

653223372 is a wasteful number, since it uses less digits than its factorization.

653223372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240037 (or 240035 counting only the distinct ones).

The product of its digits is 45360, while the sum is 33.

The square root of 653223372 is about 25558.2349155805. The cubic root of 653223372 is about 867.6686479027.

It can be divided in two parts, 6532233 and 72, that added together give a triangular number (6532305 = T₃₆₁₄).

The spelling of 653223372 in words is "six hundred fifty-three million, two hundred twenty-three thousand, three hundred seventy-two".