23000056 has 8 divisors (see below), whose sum is σ = 43125120. Its totient is φ = 11500024.

The previous prime is 23000027. The next prime is 23000059. The reversal of 23000056 is 65000032.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437496 + ... + 1437511.

It is an arithmetic number, because the mean of its divisors is an integer number (5390640).

Almost surely, 2^23000056 is an apocalyptic number.

It is an amenable number.

23000056 is a deficient number, since it is larger than the sum of its proper divisors (20125064).

23000056 is a wasteful number, since it uses less digits than its factorization.

23000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875013 (or 2875009 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 23000056 is about 4795.8373617128. The cubic root of 23000056 is about 284.3869287916.

Adding to 23000056 its reverse (65000032), we get a palindrome (88000088).

The spelling of 23000056 in words is "twenty-three million, fifty-six", and thus it is an aban number and an uban number.