523390901 has 8 divisors (see below), whose sum is σ = 571142208. Its totient is φ = 475668000.

The previous prime is 523390877. The next prime is 523390909. The reversal of 523390901 is 109093325.

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

It is a cyclic number.

It is not a de Polignac number, because 523390901 - 2⁶ = 523390837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523390909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55361 + ... + 64121.

It is an arithmetic number, because the mean of its divisors is an integer number (71392776).

Almost surely, 2^523390901 is an apocalyptic number.

It is an amenable number.

523390901 is a deficient number, since it is larger than the sum of its proper divisors (47751307).

523390901 is a wasteful number, since it uses less digits than its factorization.

523390901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14203.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 523390901 is about 22877.7381093499. The cubic root of 523390901 is about 805.8892997360.

The spelling of 523390901 in words is "five hundred twenty-three million, three hundred ninety thousand, nine hundred one".