120161323 has 4 divisors (see below), whose sum is σ = 121853808. Its totient is φ = 118468840.

The previous prime is 120161317. The next prime is 120161333. The reversal of 120161323 is 323161021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323161021 = 719 ⋅449459.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120161323 is a prime.

It is a super-2 number, since 2×120161323² = 28877487090220658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120161323.

It is not an unprimeable number, because it can be changed into a prime (120161333) 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, 846136 + ... + 846277.

It is an arithmetic number, because the mean of its divisors is an integer number (30463452).

Almost surely, 2^120161323 is an apocalyptic number.

120161323 is a deficient number, since it is larger than the sum of its proper divisors (1692485).

120161323 is an equidigital number, since it uses as much as digits as its factorization.

120161323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692484.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 120161323 is about 10961.8120308642. The cubic root of 120161323 is about 493.4633474084.

The spelling of 120161323 in words is "one hundred twenty million, one hundred sixty-one thousand, three hundred twenty-three".