120664523 has 8 divisors (see below), whose sum is σ = 138417120. Its totient is φ = 103040640.

The previous prime is 120664519. The next prime is 120664541. The reversal of 120664523 is 325466021.

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 120664523 - 2² = 120664519 is a prime.

It is a super-2 number, since 2×120664523² = 29119854221635058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120664513) 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, 30158 + ... + 33923.

It is an arithmetic number, because the mean of its divisors is an integer number (17302140).

Almost surely, 2^120664523 is an apocalyptic number.

120664523 is a deficient number, since it is larger than the sum of its proper divisors (17752597).

120664523 is an equidigital number, since it uses as much as digits as its factorization.

120664523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64357.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 120664523 is about 10984.7404612034. The cubic root of 120664523 is about 494.1512141781.

The spelling of 120664523 in words is "one hundred twenty million, six hundred sixty-four thousand, five hundred twenty-three".