653423104 has 40 divisors (see below), whose sum is σ = 1311506460. Its totient is φ = 325226496.

The previous prime is 653423087. The next prime is 653423119. The reversal of 653423104 is 401324356.

It can be written as a sum of positive squares in 2 ways, for example, as 652904704 + 518400 = 25552^2 + 720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114462 + ... + 120034.

Almost surely, 2^653423104 is an apocalyptic number.

653423104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653423104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655753230).

653423104 is an abundant number, since it is smaller than the sum of its proper divisors (658083356).

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

653423104 is an equidigital number, since it uses as much as digits as its factorization.

653423104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820 (or 5804 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 653423104 is about 25562.1420072732. The cubic root of 653423104 is about 867.7570727518.

The spelling of 653423104 in words is "six hundred fifty-three million, four hundred twenty-three thousand, one hundred four".