120423013 has 2 divisors, whose sum is σ = 120423014. Its totient is φ = 120423012.

The previous prime is 120422999. The next prime is 120423031. The reversal of 120423013 is 310324021.

It is a happy number.

Together with next prime (120423031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112317604 + 8105409 = 10598^2 + 2847^2 .

It is a cyclic number.

It is not a de Polignac number, because 120423013 - 2⁹ = 120422501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120423073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60211506 + 60211507.

It is an arithmetic number, because the mean of its divisors is an integer number (60211507).

Almost surely, 2^120423013 is an apocalyptic number.

It is an amenable number.

120423013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120423013 is an equidigital number, since it uses as much as digits as its factorization.

120423013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120423013 is about 10973.7419780128. The cubic root of 120423013 is about 493.8213128210.

Adding to 120423013 its reverse (310324021), we get a palindrome (430747034).

The spelling of 120423013 in words is "one hundred twenty million, four hundred twenty-three thousand, thirteen".