23661713 has 2 divisors, whose sum is σ = 23661714. Its totient is φ = 23661712.

The previous prime is 23661689. The next prime is 23661719. The reversal of 23661713 is 31716632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19430464 + 4231249 = 4408^2 + 2057^2 .

It is a cyclic number.

It is not a de Polignac number, because 23661713 - 2¹² = 23657617 is a prime.

It is equal to p_1487243 and since 23661713 and 1487243 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23661719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11830856 + 11830857.

It is an arithmetic number, because the mean of its divisors is an integer number (11830857).

Almost surely, 2^23661713 is an apocalyptic number.

It is an amenable number.

23661713 is a deficient number, since it is larger than the sum of its proper divisors (1).

23661713 is an equidigital number, since it uses as much as digits as its factorization.

23661713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 23661713 is about 4864.3306836604. The cubic root of 23661713 is about 287.0882342313.

The spelling of 23661713 in words is "twenty-three million, six hundred sixty-one thousand, seven hundred thirteen".