23073691 has 2 divisors, whose sum is σ = 23073692. Its totient is φ = 23073690.

The previous prime is 23073683. The next prime is 23073697. The reversal of 23073691 is 19637032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23073691 - 2³ = 23073683 is a prime.

It is not a weakly prime, because it can be changed into another prime (23073697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11536845 + 11536846.

It is an arithmetic number, because the mean of its divisors is an integer number (11536846).

Almost surely, 2^23073691 is an apocalyptic number.

23073691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23073691 is an equidigital number, since it uses as much as digits as its factorization.

23073691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 23073691 is about 4803.5081971409. The cubic root of 23073691 is about 284.6900950637.

The spelling of 23073691 in words is "twenty-three million, seventy-three thousand, six hundred ninety-one".