120311023 has 32 divisors (see below), whose sum is σ = 152064000. Its totient is φ = 94776192.

The previous prime is 120311011. The next prime is 120311047. The reversal of 120311023 is 320113021.

It is not a de Polignac number, because 120311023 - 2⁹ = 120310511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120310994 and 120311012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273838 + ... + 274276.

It is an arithmetic number, because the mean of its divisors is an integer number (4752000).

Almost surely, 2^120311023 is an apocalyptic number.

120311023 is a deficient number, since it is larger than the sum of its proper divisors (31752977).

120311023 is an equidigital number, since it uses as much as digits as its factorization.

120311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120311023 is about 10968.6381561249. The cubic root of 120311023 is about 493.6681853865.

Adding to 120311023 its reverse (320113021), we get a palindrome (440424044).

The spelling of 120311023 in words is "one hundred twenty million, three hundred eleven thousand, twenty-three".