23200993 has 2 divisors, whose sum is σ = 23200994. Its totient is φ = 23200992.

The previous prime is 23200987. The next prime is 23201021. The reversal of 23200993 is 39900232.

It is a happy number.

It is an a-pointer prime, because the next prime (23201021) can be obtained adding 23200993 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20729809 + 2471184 = 4553^2 + 1572^2 .

It is a cyclic number.

It is not a de Polignac number, because 23200993 - 2⁹ = 23200481 is a prime.

It is not a weakly prime, because it can be changed into another prime (23200943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600496 + 11600497.

It is an arithmetic number, because the mean of its divisors is an integer number (11600497).

Almost surely, 2^23200993 is an apocalyptic number.

It is an amenable number.

23200993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23200993 is an equidigital number, since it uses as much as digits as its factorization.

23200993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 23200993 is about 4816.7409106158. The cubic root of 23200993 is about 285.2126985108.

The spelling of 23200993 in words is "twenty-three million, two hundred thousand, nine hundred ninety-three".