111441402423 has 40 divisors (see below), whose sum is σ = 179397974448. Its totient is φ = 68534159616.

The previous prime is 111441402409. The next prime is 111441402427. The reversal of 111441402423 is 324204144111.

111441402423 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 414 + 0 + 242 + 3 = 666.

It is not a de Polignac number, because 111441402423 - 2¹⁴ = 111441386039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111441402427) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1601236 + ... + 1669382.

Almost surely, 2^111441402423 is an apocalyptic number.

111441402423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111441402423 is a deficient number, since it is larger than the sum of its proper divisors (67956572025).

111441402423 is a wasteful number, since it uses less digits than its factorization.

111441402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69725 (or 69716 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 111441402423 its reverse (324204144111), we get a palindrome (435645546534).

The spelling of 111441402423 in words is "one hundred eleven billion, four hundred forty-one million, four hundred two thousand, four hundred twenty-three".