23147073 has 16 divisors (see below), whose sum is σ = 36097600. Its totient is φ = 14618880.

The previous prime is 23147071. The next prime is 23147101. The reversal of 23147073 is 37074132.

It is not a de Polignac number, because 23147073 - 2¹ = 23147071 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23147071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22048 + ... + 23073.

It is an arithmetic number, because the mean of its divisors is an integer number (2256100).

Almost surely, 2^23147073 is an apocalyptic number.

It is an amenable number.

23147073 is a deficient number, since it is larger than the sum of its proper divisors (12950527).

23147073 is a wasteful number, since it uses less digits than its factorization.

23147073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45149 (or 45143 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 23147073 is about 4811.1405092764. The cubic root of 23147073 is about 284.9915786985.

The spelling of 23147073 in words is "twenty-three million, one hundred forty-seven thousand, seventy-three".