120408523 has 4 divisors (see below), whose sum is σ = 120431608. Its totient is φ = 120385440.

The previous prime is 120408521. The next prime is 120408553. The reversal of 120408523 is 325804021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120408523 - 2¹ = 120408521 is a prime.

It is a super-2 number, since 2×120408523² = 28996424822083058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120408521) 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, 403 + ... + 15523.

It is an arithmetic number, because the mean of its divisors is an integer number (30107902).

Almost surely, 2^120408523 is an apocalyptic number.

120408523 is a deficient number, since it is larger than the sum of its proper divisors (23085).

120408523 is an equidigital number, since it uses as much as digits as its factorization.

120408523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23084.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 120408523 is about 10973.0817457996. The cubic root of 120408523 is about 493.8015055387.

The spelling of 120408523 in words is "one hundred twenty million, four hundred eight thousand, five hundred twenty-three".