123610393 has 2 divisors, whose sum is σ = 123610394. Its totient is φ = 123610392.

The previous prime is 123610387. The next prime is 123610427. The reversal of 123610393 is 393016321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94536729 + 29073664 = 9723^2 + 5392^2 .

It is an emirp because it is prime and its reverse (393016321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123610393 - 2⁹ = 123609881 is a prime.

It is a super-2 number, since 2×123610393² = 30559058515228898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123610373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61805196 + 61805197.

It is an arithmetic number, because the mean of its divisors is an integer number (61805197).

Almost surely, 2^123610393 is an apocalyptic number.

It is an amenable number.

123610393 is a deficient number, since it is larger than the sum of its proper divisors (1).

123610393 is an equidigital number, since it uses as much as digits as its factorization.

123610393 is an evil number, because the sum of its binary digits is even.

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

The square root of 123610393 is about 11118.0210919030. The cubic root of 123610393 is about 498.1402821415.

The spelling of 123610393 in words is "one hundred twenty-three million, six hundred ten thousand, three hundred ninety-three".