111031402023 has 8 divisors (see below), whose sum is σ = 164490966000. Its totient is φ = 74020934664.

The previous prime is 111031402007. The next prime is 111031402037. The reversal of 111031402023 is 320204130111.

It is not a de Polignac number, because 111031402023 - 2⁴ = 111031402007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111031401987 and 111031402005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111031402043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2056137048 + ... + 2056137101.

It is an arithmetic number, because the mean of its divisors is an integer number (20561370750).

Almost surely, 2^111031402023 is an apocalyptic number.

111031402023 is a deficient number, since it is larger than the sum of its proper divisors (53459563977).

111031402023 is an equidigital number, since it uses as much as digits as its factorization.

111031402023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112274158 (or 4112274152 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111031402023 its reverse (320204130111), we get a palindrome (431235532134).

The spelling of 111031402023 in words is "one hundred eleven billion, thirty-one million, four hundred two thousand, twenty-three".