523327990 has 8 divisors (see below), whose sum is σ = 941990400. Its totient is φ = 209331192.

The previous prime is 523327969. The next prime is 523327999. The reversal of 523327990 is 99723325.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523327999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26166390 + ... + 26166409.

It is an arithmetic number, because the mean of its divisors is an integer number (117748800).

Almost surely, 2^523327990 is an apocalyptic number.

523327990 is a deficient number, since it is larger than the sum of its proper divisors (418662410).

523327990 is a wasteful number, since it uses less digits than its factorization.

523327990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52332806.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 523327990 is about 22876.3631287843. The cubic root of 523327990 is about 805.8570094452.

The spelling of 523327990 in words is "five hundred twenty-three million, three hundred twenty-seven thousand, nine hundred ninety".