23033156 has 12 divisors (see below), whose sum is σ = 40565868. Its totient is φ = 11442912.

The previous prime is 23033137. The next prime is 23033159. The reversal of 23033156 is 65133032.

It can be written as a sum of positive squares in 2 ways, for example, as 16273156 + 6760000 = 4034^2 + 2600^2 .

It is not an unprimeable number, because it can be changed into a prime (23033159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17711 + ... + 18966.

It is an arithmetic number, because the mean of its divisors is an integer number (3380489).

Almost surely, 2^23033156 is an apocalyptic number.

It is an amenable number.

23033156 is a deficient number, since it is larger than the sum of its proper divisors (17532712).

23033156 is a wasteful number, since it uses less digits than its factorization.

23033156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36838 (or 36836 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 23033156 is about 4799.2870303827. The cubic root of 23033156 is about 284.5232863632.

Adding to 23033156 its reverse (65133032), we get a palindrome (88166188).

The spelling of 23033156 in words is "twenty-three million, thirty-three thousand, one hundred fifty-six".