23073015 has 32 divisors (see below), whose sum is σ = 43338240. Its totient is φ = 10260864.

The previous prime is 23073013. The next prime is 23073019. The reversal of 23073015 is 51037032.

It is a happy number.

It is not a de Polignac number, because 23073015 - 2¹ = 23073013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23072982 and 23073000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23073013) 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 in 31 ways as a sum of consecutive naturals, for example, 916 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (1354320).

Almost surely, 2^23073015 is an apocalyptic number.

23073015 is a deficient number, since it is larger than the sum of its proper divisors (20265225).

23073015 is a wasteful number, since it uses less digits than its factorization.

23073015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 23073015 is about 4803.4378313870. The cubic root of 23073015 is about 284.6873148065.

The spelling of 23073015 in words is "twenty-three million, seventy-three thousand, fifteen".