123166003393 has 2 divisors, whose sum is σ = 123166003394. Its totient is φ = 123166003392.

The previous prime is 123166003321. The next prime is 123166003463. The reversal of 123166003393 is 393300661321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63972573184 + 59193430209 = 252928^2 + 243297^2 .

It is a cyclic number.

It is not a de Polignac number, because 123166003393 - 2²⁹ = 122629132481 is a prime.

It is not a weakly prime, because it can be changed into another prime (123166001393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61583001696 + 61583001697.

It is an arithmetic number, because the mean of its divisors is an integer number (61583001697).

Almost surely, 2^123166003393 is an apocalyptic number.

It is an amenable number.

123166003393 is a deficient number, since it is larger than the sum of its proper divisors (1).

123166003393 is an equidigital number, since it uses as much as digits as its factorization.

123166003393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 37.

The spelling of 123166003393 in words is "one hundred twenty-three billion, one hundred sixty-six million, three thousand, three hundred ninety-three".