120023323209 has 64 divisors (see below), whose sum is σ = 188234956800. Its totient is φ = 75374712000.

The previous prime is 120023323201. The next prime is 120023323213. The reversal of 120023323209 is 902323320021.

120023323209 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 2 + 332 + 320 + 9 = 666.

It is not a de Polignac number, because 120023323209 - 2³ = 120023323201 is a prime.

It is a super-2 number, since 2×120023323209² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120023323201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82716934 + ... + 82718384.

It is an arithmetic number, because the mean of its divisors is an integer number (2941171200).

Almost surely, 2^120023323209 is an apocalyptic number.

120023323209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

120023323209 is a deficient number, since it is larger than the sum of its proper divisors (68211633591).

120023323209 is a wasteful number, since it uses less digits than its factorization.

120023323209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2277 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The spelling of 120023323209 in words is "one hundred twenty billion, twenty-three million, three hundred twenty-three thousand, two hundred nine".