120323311 has 4 divisors (see below), whose sum is σ = 121131000. Its totient is φ = 119515624.

The previous prime is 120323309. The next prime is 120323317. The reversal of 120323311 is 113323021.

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 120323311 - 2¹ = 120323309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120323317) 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, 403621 + ... + 403918.

It is an arithmetic number, because the mean of its divisors is an integer number (30282750).

Almost surely, 2^120323311 is an apocalyptic number.

120323311 is a deficient number, since it is larger than the sum of its proper divisors (807689).

120323311 is an equidigital number, since it uses as much as digits as its factorization.

120323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807688.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 120323311 is about 10969.1982842868. The cubic root of 120323311 is about 493.6849917938.

Adding to 120323311 its reverse (113323021), we get a palindrome (233646332).

The spelling of 120323311 in words is "one hundred twenty million, three hundred twenty-three thousand, three hundred eleven".