23021112 has 32 divisors (see below), whose sum is σ = 57674880. Its totient is φ = 7657440.

The previous prime is 23021101. The next prime is 23021147. The reversal of 23021112 is 21112032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17187 + ... + 18477.

It is an arithmetic number, because the mean of its divisors is an integer number (1802340).

Almost surely, 2^23021112 is an apocalyptic number.

It is an amenable number.

23021112 is an abundant number, since it is smaller than the sum of its proper divisors (34653768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23021112 is a wasteful number, since it uses less digits than its factorization.

23021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 23021112 is about 4798.0320965996. The cubic root of 23021112 is about 284.4736854614.

Adding to 23021112 its reverse (21112032), we get a palindrome (44133144).

The spelling of 23021112 in words is "twenty-three million, twenty-one thousand, one hundred twelve".