523519942 has 16 divisors (see below), whose sum is σ = 857024064. Its totient is φ = 237865000.

The previous prime is 523519937. The next prime is 523519963. The reversal of 523519942 is 249915325.

It is a junction number, because it is equal to n+sod(n) for n = 523519895 and 523519904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89817 + ... + 95467.

It is an arithmetic number, because the mean of its divisors is an integer number (53564004).

Almost surely, 2^523519942 is an apocalyptic number.

523519942 is a deficient number, since it is larger than the sum of its proper divisors (333504122).

523519942 is a wasteful number, since it uses less digits than its factorization.

523519942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875.

The product of its digits is 97200, while the sum is 40.

The square root of 523519942 is about 22880.5581662686. The cubic root of 523519942 is about 805.9555244358.

The spelling of 523519942 in words is "five hundred twenty-three million, five hundred nineteen thousand, nine hundred forty-two".