23005012 has 12 divisors (see below), whose sum is σ = 42627060. Its totient is φ = 10825856.

The previous prime is 23004979. The next prime is 23005013. The reversal of 23005012 is 21050032.

It can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 2808976 = 4494^2 + 1676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23004983 and 23005001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23005013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169087 + ... + 169222.

It is an arithmetic number, because the mean of its divisors is an integer number (3552255).

Almost surely, 2^23005012 is an apocalyptic number.

It is an amenable number.

23005012 is a deficient number, since it is larger than the sum of its proper divisors (19622048).

23005012 is a wasteful number, since it uses less digits than its factorization.

23005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338330 (or 338328 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 23005012 is about 4796.3540319705. The cubic root of 23005012 is about 284.4073536751.

Adding to 23005012 its reverse (21050032), we get a palindrome (44055044).

The spelling of 23005012 in words is "twenty-three million, five thousand, twelve".