123350640615 has 48 divisors (see below), whose sum is σ = 221772908448. Its totient is φ = 65773264896.

The previous prime is 123350640587. The next prime is 123350640631. The reversal of 123350640615 is 516046053321.

123350640615 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 5 + 0 + 640 + 6 + 1 + 5 = 666.

It is not a de Polignac number, because 123350640615 - 2³⁰ = 122276898791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123350640615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8858899 + ... + 8872811.

It is an arithmetic number, because the mean of its divisors is an integer number (4620268926).

Almost surely, 2^123350640615 is an apocalyptic number.

123350640615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123350640615 is a deficient number, since it is larger than the sum of its proper divisors (98422267833).

123350640615 is an equidigital number, since it uses as much as digits as its factorization.

123350640615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21230 (or 21218 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 123350640615 its reverse (516046053321), we get a palindrome (639396693936).

The spelling of 123350640615 in words is "one hundred twenty-three billion, three hundred fifty million, six hundred forty thousand, six hundred fifteen".