111023253 has 12 divisors (see below), whose sum is σ = 174945888. Its totient is φ = 67286760.

The previous prime is 111023249. The next prime is 111023257. The reversal of 111023253 is 352320111.

It is an interprime number because it is at equal distance from previous prime (111023249) and next prime (111023257).

It is not a de Polignac number, because 111023253 - 2² = 111023249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560625 + ... + 560822.

It is an arithmetic number, because the mean of its divisors is an integer number (14578824).

Almost surely, 2^111023253 is an apocalyptic number.

It is an amenable number.

111023253 is a deficient number, since it is larger than the sum of its proper divisors (63922635).

111023253 is a wasteful number, since it uses less digits than its factorization.

111023253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121464 (or 1121461 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 111023253 is about 10536.7572336085. The cubic root of 111023253 is about 480.6231100331.

Adding to 111023253 its reverse (352320111), we get a palindrome (463343364).

The spelling of 111023253 in words is "one hundred eleven million, twenty-three thousand, two hundred fifty-three".