10111154423 has 4 divisors (see below), whose sum is σ = 10137554688. Its totient is φ = 10084754160.

The previous prime is 10111154419. The next prime is 10111154503. The reversal of 10111154423 is 32445111101.

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 10111154423 - 2² = 10111154419 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 (10111154623) 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, 13199558 + ... + 13200323.

It is an arithmetic number, because the mean of its divisors is an integer number (2534388672).

Almost surely, 2^10111154423 is an apocalyptic number.

10111154423 is a deficient number, since it is larger than the sum of its proper divisors (26400265).

10111154423 is an equidigital number, since it uses as much as digits as its factorization.

10111154423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26400264.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 10111154423 its reverse (32445111101), we get a palindrome (42556265524).

The spelling of 10111154423 in words is "ten billion, one hundred eleven million, one hundred fifty-four thousand, four hundred twenty-three".