23216693 has 2 divisors, whose sum is σ = 23216694. Its totient is φ = 23216692.

The previous prime is 23216681. The next prime is 23216717. The reversal of 23216693 is 39661232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15856324 + 7360369 = 3982^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 23216693 - 2¹⁰ = 23215669 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 (23216663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11608346 + 11608347.

It is an arithmetic number, because the mean of its divisors is an integer number (11608347).

Almost surely, 2^23216693 is an apocalyptic number.

It is an amenable number.

23216693 is a deficient number, since it is larger than the sum of its proper divisors (1).

23216693 is an equidigital number, since it uses as much as digits as its factorization.

23216693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 23216693 is about 4818.3703676658. The cubic root of 23216693 is about 285.2770180236.

The spelling of 23216693 in words is "twenty-three million, two hundred sixteen thousand, six hundred ninety-three".