120023231 has 2 divisors, whose sum is σ = 120023232. Its totient is φ = 120023230.

The previous prime is 120023221. The next prime is 120023243. The reversal of 120023231 is 132320021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (132320021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120023231 - 2¹⁰ = 120022207 is a prime.

It is a super-2 number, since 2×120023231² = 28811151959358722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120023201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011615 + 60011616.

It is an arithmetic number, because the mean of its divisors is an integer number (60011616).

Almost surely, 2^120023231 is an apocalyptic number.

120023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120023231 is an equidigital number, since it uses as much as digits as its factorization.

120023231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120023231 is about 10955.5114440176. The cubic root of 120023231 is about 493.2742420194.

Adding to 120023231 its reverse (132320021), we get a palindrome (252343252).

The spelling of 120023231 in words is "one hundred twenty million, twenty-three thousand, two hundred thirty-one".