120023313457 has 2 divisors, whose sum is σ = 120023313458. Its totient is φ = 120023313456.

The previous prime is 120023313383. The next prime is 120023313479. The reversal of 120023313457 is 754313320021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83433744801 + 36589568656 = 288849^2 + 191284^2 .

It is a cyclic number.

It is not a de Polignac number, because 120023313457 - 2³⁵ = 85663575089 is a prime.

It is not a weakly prime, because it can be changed into another prime (120023310457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011656728 + 60011656729.

It is an arithmetic number, because the mean of its divisors is an integer number (60011656729).

Almost surely, 2^120023313457 is an apocalyptic number.

It is an amenable number.

120023313457 is a deficient number, since it is larger than the sum of its proper divisors (1).

120023313457 is an equidigital number, since it uses as much as digits as its factorization.

120023313457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 120023313457 its reverse (754313320021), we get a palindrome (874336633478).

The spelling of 120023313457 in words is "one hundred twenty billion, twenty-three million, three hundred thirteen thousand, four hundred fifty-seven".