120523665 has 8 divisors (see below), whose sum is σ = 192837888. Its totient is φ = 64279280.

The previous prime is 120523649. The next prime is 120523673. The reversal of 120523665 is 566325021.

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

It is not a de Polignac number, because 120523665 - 2⁴ = 120523649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4017441 + ... + 4017470.

It is an arithmetic number, because the mean of its divisors is an integer number (24104736).

Almost surely, 2^120523665 is an apocalyptic number.

120523665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120523665 is a deficient number, since it is larger than the sum of its proper divisors (72314223).

120523665 is an equidigital number, since it uses as much as digits as its factorization.

120523665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034919.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 120523665 is about 10978.3270583455. The cubic root of 120523665 is about 493.9588564684.

Adding to 120523665 its reverse (566325021), we get a palindrome (686848686).

The spelling of 120523665 in words is "one hundred twenty million, five hundred twenty-three thousand, six hundred sixty-five".