111622023 has 32 divisors (see below), whose sum is σ = 171494400. Its totient is φ = 71705088.

The previous prime is 111622003. The next prime is 111622033. The reversal of 111622023 is 320226111.

It is not a de Polignac number, because 111622023 - 2⁹ = 111621511 is a prime.

It is a super-2 number, since 2×111622023² = 24918952037225058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111621987 and 111622005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111622003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91111 + ... + 92327.

It is an arithmetic number, because the mean of its divisors is an integer number (5359200).

Almost surely, 2^111622023 is an apocalyptic number.

111622023 is a deficient number, since it is larger than the sum of its proper divisors (59872377).

111622023 is a wasteful number, since it uses less digits than its factorization.

111622023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1342 counting only the distinct ones).

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

The square root of 111622023 is about 10565.1324175327. The cubic root of 111622023 is about 481.4855926823.

Adding to 111622023 its reverse (320226111), we get a palindrome (431848134).

The spelling of 111622023 in words is "one hundred eleven million, six hundred twenty-two thousand, twenty-three".