13120123 has 8 divisors (see below), whose sum is σ = 13582800. Its totient is φ = 12664320.

The previous prime is 13120111. The next prime is 13120139. The reversal of 13120123 is 32102131.

13120123 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13120123 - 2⁹ = 13119611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328 + ... + 5626.

It is an arithmetic number, because the mean of its divisors is an integer number (1697850).

Almost surely, 2^13120123 is an apocalyptic number.

13120123 is a deficient number, since it is larger than the sum of its proper divisors (462677).

13120123 is an equidigital number, since it uses as much as digits as its factorization.

13120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13120123 is about 3622.1710340623. The cubic root of 13120123 is about 235.8554786426.

Adding to 13120123 its reverse (32102131), we get a palindrome (45222254).

The spelling of 13120123 in words is "thirteen million, one hundred twenty thousand, one hundred twenty-three".