23261573 has 2 divisors, whose sum is σ = 23261574. Its totient is φ = 23261572.

The previous prime is 23261549. The next prime is 23261603. The reversal of 23261573 is 37516232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14303524 + 8958049 = 3782^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 23261573 - 2¹² = 23257477 is a prime.

It is a super-2 number, since 2×23261573² = 1082201556868658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23264573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11630786 + 11630787.

It is an arithmetic number, because the mean of its divisors is an integer number (11630787).

Almost surely, 2^23261573 is an apocalyptic number.

It is an amenable number.

23261573 is a deficient number, since it is larger than the sum of its proper divisors (1).

23261573 is an equidigital number, since it uses as much as digits as its factorization.

23261573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 23261573 is about 4823.0252953929. The cubic root of 23261573 is about 285.4607219283.

The spelling of 23261573 in words is "twenty-three million, two hundred sixty-one thousand, five hundred seventy-three".