123242361659 has 4 divisors (see below), whose sum is σ = 123244004016. Its totient is φ = 123240719304.

The previous prime is 123242361623. The next prime is 123242361707. The reversal of 123242361659 is 956163242321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123242361659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123242361059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702944 + ... + 860589.

It is an arithmetic number, because the mean of its divisors is an integer number (30811001004).

Almost surely, 2^123242361659 is an apocalyptic number.

123242361659 is a deficient number, since it is larger than the sum of its proper divisors (1642357).

123242361659 is an equidigital number, since it uses as much as digits as its factorization.

123242361659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642356.

The product of its digits is 466560, while the sum is 44.

The spelling of 123242361659 in words is "one hundred twenty-three billion, two hundred forty-two million, three hundred sixty-one thousand, six hundred fifty-nine".