23073156 has 36 divisors (see below), whose sum is σ = 58662604. Its totient is φ = 7646400.

The previous prime is 23073151. The next prime is 23073157. The reversal of 23073156 is 65137032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3572100 + 19501056 = 1890^2 + 4416^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (23073151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4746 + ... + 8286.

Almost surely, 2^23073156 is an apocalyptic number.

It is an amenable number.

23073156 is an abundant number, since it is smaller than the sum of its proper divisors (35589448).

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

23073156 is a wasteful number, since it uses less digits than its factorization.

23073156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 23073156 is about 4803.4525083527. The cubic root of 23073156 is about 284.6878947167.

The spelling of 23073156 in words is "twenty-three million, seventy-three thousand, one hundred fifty-six".