23216293 has 2 divisors, whose sum is σ = 23216294. Its totient is φ = 23216292.

The previous prime is 23216287. The next prime is 23216341. The reversal of 23216293 is 39261232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21372129 + 1844164 = 4623^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 23216293 - 2⁹ = 23215781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23216243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11608146 + 11608147.

It is an arithmetic number, because the mean of its divisors is an integer number (11608147).

Almost surely, 2^23216293 is an apocalyptic number.

It is an amenable number.

23216293 is a deficient number, since it is larger than the sum of its proper divisors (1).

23216293 is an equidigital number, since it uses as much as digits as its factorization.

23216293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 23216293 is about 4818.3288596774. The cubic root of 23216293 is about 285.2753796700.

The spelling of 23216293 in words is "twenty-three million, two hundred sixteen thousand, two hundred ninety-three".