23662069 has 2 divisors, whose sum is σ = 23662070. Its totient is φ = 23662068.

The previous prime is 23662039. The next prime is 23662091. The reversal of 23662069 is 96026632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17098225 + 6563844 = 4135^2 + 2562^2 .

It is a cyclic number.

It is not a de Polignac number, because 23662069 - 2¹⁹ = 23137781 is a prime.

It is a super-2 number, since 2×23662069² = 1119787018721522, which contains 22 as substring.

It is equal to p_1487266 and since 23662069 and 1487266 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23662019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11831034 + 11831035.

It is an arithmetic number, because the mean of its divisors is an integer number (11831035).

Almost surely, 2^23662069 is an apocalyptic number.

It is an amenable number.

23662069 is a deficient number, since it is larger than the sum of its proper divisors (1).

23662069 is an equidigital number, since it uses as much as digits as its factorization.

23662069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 23662069 is about 4864.3672764297. The cubic root of 23662069 is about 287.0896740101.

The spelling of 23662069 in words is "twenty-three million, six hundred sixty-two thousand, sixty-nine".