123099793 has 2 divisors, whose sum is σ = 123099794. Its totient is φ = 123099792.

The previous prime is 123099787. The next prime is 123099797. The reversal of 123099793 is 397990321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119071744 + 4028049 = 10912^2 + 2007^2 .

It is a cyclic number.

It is not a de Polignac number, because 123099793 - 2²⁵ = 89545361 is a prime.

It is not a weakly prime, because it can be changed into another prime (123099797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61549896 + 61549897.

It is an arithmetic number, because the mean of its divisors is an integer number (61549897).

Almost surely, 2^123099793 is an apocalyptic number.

It is an amenable number.

123099793 is a deficient number, since it is larger than the sum of its proper divisors (1).

123099793 is an equidigital number, since it uses as much as digits as its factorization.

123099793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 123099793 is about 11095.0346101308. The cubic root of 123099793 is about 497.4534427784.

The spelling of 123099793 in words is "one hundred twenty-three million, ninety-nine thousand, seven hundred ninety-three".