23101072 has 10 divisors (see below), whose sum is σ = 44758358. Its totient is φ = 11550528.

The previous prime is 23101063. The next prime is 23101073. The reversal of 23101072 is 27010132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18011536 + 5089536 = 4244^2 + 2256^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1443817 = 23101072 / (2 + 3 + 1 + 0 + 1 + 0 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721893 + ... + 721924.

Almost surely, 2^23101072 is an apocalyptic number.

It is an amenable number.

23101072 is a deficient number, since it is larger than the sum of its proper divisors (21657286).

23101072 is a wasteful number, since it uses less digits than its factorization.

23101072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443825 (or 1443819 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 23101072 is about 4806.3574565361. The cubic root of 23101072 is about 284.8026622021.

The spelling of 23101072 in words is "twenty-three million, one hundred one thousand, seventy-two".