920000111123 has 4 divisors (see below), whose sum is σ = 923948609688. Its totient is φ = 916051612560.

The previous prime is 920000111119. The next prime is 920000111137. The reversal of 920000111123 is 321111000029.

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 920000111123 - 2² = 920000111119 is a prime.

It is a super-2 number, since 2×920000111123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 920000111095 and 920000111104.

It is not an unprimeable number, because it can be changed into a prime (920060111123) 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, 1974248933 + ... + 1974249398.

It is an arithmetic number, because the mean of its divisors is an integer number (230987152422).

Almost surely, 2^920000111123 is an apocalyptic number.

920000111123 is a deficient number, since it is larger than the sum of its proper divisors (3948498565).

920000111123 is a wasteful number, since it uses less digits than its factorization.

920000111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948498564.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 920000111123 in words is "nine hundred twenty billion, one hundred eleven thousand, one hundred twenty-three".