23361691 has 2 divisors, whose sum is σ = 23361692. Its totient is φ = 23361690.

The previous prime is 23361673. The next prime is 23361713. The reversal of 23361691 is 19616332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23361691 is a prime.

It is not a weakly prime, because it can be changed into another prime (23361601) 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 as a sum of consecutive naturals, namely, 11680845 + 11680846.

It is an arithmetic number, because the mean of its divisors is an integer number (11680846).

Almost surely, 2^23361691 is an apocalyptic number.

23361691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23361691 is an equidigital number, since it uses as much as digits as its factorization.

23361691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 23361691 is about 4833.3933214668. The cubic root of 23361691 is about 285.8696775310.

The spelling of 23361691 in words is "twenty-three million, three hundred sixty-one thousand, six hundred ninety-one".