123605023 has 2 divisors, whose sum is σ = 123605024. Its totient is φ = 123605022.

The previous prime is 123604993. The next prime is 123605033. The reversal of 123605023 is 320506321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123605023 - 2⁵ = 123604991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123604985 and 123605003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123605033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61802511 + 61802512.

It is an arithmetic number, because the mean of its divisors is an integer number (61802512).

Almost surely, 2^123605023 is an apocalyptic number.

123605023 is a deficient number, since it is larger than the sum of its proper divisors (1).

123605023 is an equidigital number, since it uses as much as digits as its factorization.

123605023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 123605023 is about 11117.7795894684. The cubic root of 123605023 is about 498.1330684761.

The spelling of 123605023 in words is "one hundred twenty-three million, six hundred five thousand, twenty-three".