120323505 has 8 divisors (see below), whose sum is σ = 192517632. Its totient is φ = 64172528.

The previous prime is 120323477. The next prime is 120323509. The reversal of 120323505 is 505323021.

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 120323505 - 2⁸ = 120323249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120323509) 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, 4010769 + ... + 4010798.

It is an arithmetic number, because the mean of its divisors is an integer number (24064704).

Almost surely, 2^120323505 is an apocalyptic number.

120323505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120323505 is a deficient number, since it is larger than the sum of its proper divisors (72194127).

120323505 is an equidigital number, since it uses as much as digits as its factorization.

120323505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021575.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 120323505 is about 10969.2071272267. The cubic root of 120323505 is about 493.6852571201.

Adding to 120323505 its reverse (505323021), we get a palindrome (625646526).

The spelling of 120323505 in words is "one hundred twenty million, three hundred twenty-three thousand, five hundred five".