523478372 has 12 divisors (see below), whose sum is σ = 916266876. Its totient is φ = 261687840.

The previous prime is 523478359. The next prime is 523478383. The reversal of 523478372 is 273874325.

It can be written as a sum of positive squares in 2 ways, for example, as 233661796 + 289816576 = 15286^2 + 17024^2 .

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, 18722 + ... + 37382.

It is an arithmetic number, because the mean of its divisors is an integer number (76355573).

Almost surely, 2^523478372 is an apocalyptic number.

It is an amenable number.

523478372 is a deficient number, since it is larger than the sum of its proper divisors (392788504).

523478372 is a wasteful number, since it uses less digits than its factorization.

523478372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25678 (or 25676 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 523478372 is about 22879.6497350812. The cubic root of 523478372 is about 805.9341916235.

The spelling of 523478372 in words is "five hundred twenty-three million, four hundred seventy-eight thousand, three hundred seventy-two".