523448478 has 36 divisors (see below), whose sum is σ = 1319306040. Its totient is φ = 149556456.

The previous prime is 523448437. The next prime is 523448489. The reversal of 523448478 is 874844325.

It is a happy number.

523448478 is a `hidden beast` number, since 523 + 44 + 84 + 7 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 295858 + ... + 297621.

It is an arithmetic number, because the mean of its divisors is an integer number (36647390).

Almost surely, 2^523448478 is an apocalyptic number.

523448478 is an abundant number, since it is smaller than the sum of its proper divisors (795857562).

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

523448478 is a wasteful number, since it uses less digits than its factorization.

523448478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593501 (or 593491 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 523448478 is about 22878.9964377811. The cubic root of 523448478 is about 805.9188499802.

The spelling of 523448478 in words is "five hundred twenty-three million, four hundred forty-eight thousand, four hundred seventy-eight".