23173693 has 2 divisors, whose sum is σ = 23173694. Its totient is φ = 23173692.

The previous prime is 23173691. The next prime is 23173699. The reversal of 23173693 is 39637132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22629049 + 544644 = 4757^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 23173693 - 2¹ = 23173691 is a prime.

Together with 23173691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23173691) 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, 11586846 + 11586847.

It is an arithmetic number, because the mean of its divisors is an integer number (11586847).

Almost surely, 2^23173693 is an apocalyptic number.

It is an amenable number.

23173693 is a deficient number, since it is larger than the sum of its proper divisors (1).

23173693 is an equidigital number, since it uses as much as digits as its factorization.

23173693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 34.

The square root of 23173693 is about 4813.9062101375. The cubic root of 23173693 is about 285.1007871708.

The spelling of 23173693 in words is "twenty-three million, one hundred seventy-three thousand, six hundred ninety-three".