523917442 has 8 divisors (see below), whose sum is σ = 788404032. Its totient is φ = 261116100.

The previous prime is 523917409. The next prime is 523917469. The reversal of 523917442 is 244719325.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 420534 + ... + 421777.

It is an arithmetic number, because the mean of its divisors is an integer number (98550504).

Almost surely, 2^523917442 is an apocalyptic number.

523917442 is a deficient number, since it is larger than the sum of its proper divisors (264486590).

523917442 is a wasteful number, since it uses less digits than its factorization.

523917442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842624.

The product of its digits is 60480, while the sum is 37.

The square root of 523917442 is about 22889.2429319976. The cubic root of 523917442 is about 806.1594557134.

The spelling of 523917442 in words is "five hundred twenty-three million, nine hundred seventeen thousand, four hundred forty-two".