10422739123 has 4 divisors (see below), whose sum is σ = 10971304360. Its totient is φ = 9874173888.

The previous prime is 10422739111. The next prime is 10422739127. The reversal of 10422739123 is 32193722401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10422739123 is a prime.

It is a super-2 number, since 2×10422739123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10422739127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274282590 + ... + 274282627.

It is an arithmetic number, because the mean of its divisors is an integer number (2742826090).

Almost surely, 2^10422739123 is an apocalyptic number.

10422739123 is a deficient number, since it is larger than the sum of its proper divisors (548565237).

10422739123 is an equidigital number, since it uses as much as digits as its factorization.

10422739123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548565236.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 10422739123 in words is "ten billion, four hundred twenty-two million, seven hundred thirty-nine thousand, one hundred twenty-three".