11242500123 has 32 divisors (see below), whose sum is σ = 15328075840. Its totient is φ = 7328102400.

The previous prime is 11242500109. The next prime is 11242500131. The reversal of 11242500123 is 32100524211.

11242500123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11242500123 - 2⁴ = 11242500107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11242500123.

It is not an unprimeable number, because it can be changed into a prime (11242500173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18706023 + ... + 18706623.

It is an arithmetic number, because the mean of its divisors is an integer number (479002370).

Almost surely, 2^11242500123 is an apocalyptic number.

11242500123 is a deficient number, since it is larger than the sum of its proper divisors (4085575717).

11242500123 is a wasteful number, since it uses less digits than its factorization.

11242500123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 11242500123 in words is "eleven billion, two hundred forty-two million, five hundred thousand, one hundred twenty-three".