123000776739 has 12 divisors (see below), whose sum is σ = 177875113416. Its totient is φ = 81904829472.

The previous prime is 123000776669. The next prime is 123000776839. The reversal of 123000776739 is 937677000321.

It is a de Polignac number, because none of the positive numbers 2^k-123000776739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123000776694 and 123000776703.

It is not an unprimeable number, because it can be changed into a prime (123000776839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7965889 + ... + 7981314.

It is an arithmetic number, because the mean of its divisors is an integer number (14822926118).

Almost surely, 2^123000776739 is an apocalyptic number.

123000776739 is a deficient number, since it is larger than the sum of its proper divisors (54874336677).

123000776739 is a wasteful number, since it uses less digits than its factorization.

123000776739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15948066 (or 15948063 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 45.

The spelling of 123000776739 in words is "one hundred twenty-three billion, seven hundred seventy-six thousand, seven hundred thirty-nine".