123606499 has 2 divisors, whose sum is σ = 123606500. Its totient is φ = 123606498.

The previous prime is 123606487. The next prime is 123606503. The reversal of 123606499 is 994606321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123606499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123606409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61803249 + 61803250.

It is an arithmetic number, because the mean of its divisors is an integer number (61803250).

Almost surely, 2^123606499 is an apocalyptic number.

123606499 is a deficient number, since it is larger than the sum of its proper divisors (1).

123606499 is an equidigital number, since it uses as much as digits as its factorization.

123606499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 123606499 is about 11117.8459694313. The cubic root of 123606499 is about 498.1350512474.

The spelling of 123606499 in words is "one hundred twenty-three million, six hundred six thousand, four hundred ninety-nine".