10123553111 has 4 divisors (see below), whose sum is σ = 11569774992. Its totient is φ = 8677331232.

The previous prime is 10123553093. The next prime is 10123553113. The reversal of 10123553111 is 11135532101.

10123553111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10123553111 - 2⁶ = 10123553047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123553113) 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, 723110930 + ... + 723110943.

It is an arithmetic number, because the mean of its divisors is an integer number (2892443748).

Almost surely, 2^10123553111 is an apocalyptic number.

10123553111 is a deficient number, since it is larger than the sum of its proper divisors (1446221881).

10123553111 is an equidigital number, since it uses as much as digits as its factorization.

10123553111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446221880.

The product of its (nonzero) digits is 450, while the sum is 23.

The spelling of 10123553111 in words is "ten billion, one hundred twenty-three million, five hundred fifty-three thousand, one hundred eleven".