123958079759 has 16 divisors (see below), whose sum is σ = 133690284000. Its totient is φ = 114547783680.

The previous prime is 123958079719. The next prime is 123958079807. The reversal of 123958079759 is 957970859321.

It is a happy number.

It is not a de Polignac number, because 123958079759 - 2⁸ = 123958079503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123958079695 and 123958079704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123958079719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5198837 + ... + 5222625.

It is an arithmetic number, because the mean of its divisors is an integer number (8355642750).

Almost surely, 2^123958079759 is an apocalyptic number.

123958079759 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

123958079759 is a deficient number, since it is larger than the sum of its proper divisors (9732204241).

123958079759 is a wasteful number, since it uses less digits than its factorization.

123958079759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30538.

The product of its (nonzero) digits is 42865200, while the sum is 65.

The spelling of 123958079759 in words is "one hundred twenty-three billion, nine hundred fifty-eight million, seventy-nine thousand, seven hundred fifty-nine".