23090693 has 2 divisors, whose sum is σ = 23090694. Its totient is φ = 23090692.

The previous prime is 23090663. The next prime is 23090729. The reversal of 23090693 is 39609032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12837889 + 10252804 = 3583^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 23090693 - 2¹² = 23086597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23090603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11545346 + 11545347.

It is an arithmetic number, because the mean of its divisors is an integer number (11545347).

Almost surely, 2^23090693 is an apocalyptic number.

It is an amenable number.

23090693 is a deficient number, since it is larger than the sum of its proper divisors (1).

23090693 is an equidigital number, since it uses as much as digits as its factorization.

23090693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 23090693 is about 4805.2776194513. The cubic root of 23090693 is about 284.7600031481.

The spelling of 23090693 in words is "twenty-three million, ninety thousand, six hundred ninety-three".