111031301423 has 12 divisors (see below), whose sum is σ = 129173680440. Its totient is φ = 95158767312.

The previous prime is 111031301419. The next prime is 111031301461. The reversal of 111031301423 is 324103130111.

It is not a de Polignac number, because 111031301423 - 2² = 111031301419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111031301395 and 111031301404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111031301413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316940 + ... + 567902.

It is an arithmetic number, because the mean of its divisors is an integer number (10764473370).

Almost surely, 2^111031301423 is an apocalyptic number.

111031301423 is a deficient number, since it is larger than the sum of its proper divisors (18142379017).

111031301423 is an equidigital number, since it uses as much as digits as its factorization.

111031301423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260006 (or 259999 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111031301423 its reverse (324103130111), we get a palindrome (435134431534).

The spelling of 111031301423 in words is "one hundred eleven billion, thirty-one million, three hundred one thousand, four hundred twenty-three".