10120030123 has 40 divisors (see below), whose sum is σ = 12174535296. Its totient is φ = 8406518400.

The previous prime is 10120030103. The next prime is 10120030127. The reversal of 10120030123 is 32103002101.

It is not a de Polignac number, because 10120030123 - 2²⁵ = 10086475691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10120030127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21952113 + ... + 21952573.

Almost surely, 2^10120030123 is an apocalyptic number.

10120030123 is a deficient number, since it is larger than the sum of its proper divisors (2054505173).

10120030123 is an frugal number, since it uses more digits than its factorization.

10120030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 732 counting only the distinct ones).

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

Adding to 10120030123 its reverse (32103002101), we get a palindrome (42223032224).

The spelling of 10120030123 in words is "ten billion, one hundred twenty million, thirty thousand, one hundred twenty-three".