23425573 has 2 divisors, whose sum is σ = 23425574. Its totient is φ = 23425572.

The previous prime is 23425559. The next prime is 23425663. The reversal of 23425573 is 37552432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23251684 + 173889 = 4822^2 + 417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23425573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23425513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11712786 + 11712787.

It is an arithmetic number, because the mean of its divisors is an integer number (11712787).

Almost surely, 2^23425573 is an apocalyptic number.

It is an amenable number.

23425573 is a deficient number, since it is larger than the sum of its proper divisors (1).

23425573 is an equidigital number, since it uses as much as digits as its factorization.

23425573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 23425573 is about 4839.9972107430. The cubic root of 23425573 is about 286.1300083775.

The spelling of 23425573 in words is "twenty-three million, four hundred twenty-five thousand, five hundred seventy-three".