123618023 has 2 divisors, whose sum is σ = 123618024. Its totient is φ = 123618022.

The previous prime is 123618017. The next prime is 123618107. The reversal of 123618023 is 320816321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123618023 - 2²² = 119423719 is a prime.

It is a super-3 number, since 3×123618023³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 123617983 and 123618001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123618323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61809011 + 61809012.

It is an arithmetic number, because the mean of its divisors is an integer number (61809012).

Almost surely, 2^123618023 is an apocalyptic number.

123618023 is a deficient number, since it is larger than the sum of its proper divisors (1).

123618023 is an equidigital number, since it uses as much as digits as its factorization.

123618023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 123618023 is about 11118.3642232120. The cubic root of 123618023 is about 498.1505313664.

The spelling of 123618023 in words is "one hundred twenty-three million, six hundred eighteen thousand, twenty-three".