123650123 has 2 divisors, whose sum is σ = 123650124. Its totient is φ = 123650122.

The previous prime is 123650117. The next prime is 123650143. The reversal of 123650123 is 321056321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123650123 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (123650143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61825061 + 61825062.

It is an arithmetic number, because the mean of its divisors is an integer number (61825062).

Almost surely, 2^123650123 is an apocalyptic number.

123650123 is a deficient number, since it is larger than the sum of its proper divisors (1).

123650123 is an equidigital number, since it uses as much as digits as its factorization.

123650123 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 23.

The square root of 123650123 is about 11119.8076871860. The cubic root of 123650123 is about 498.1936460293.

The spelling of 123650123 in words is "one hundred twenty-three million, six hundred fifty thousand, one hundred twenty-three".