123790836740 has 24 divisors (see below), whose sum is σ = 260238235992. Its totient is φ = 49463481600.

The previous prime is 123790836731. The next prime is 123790836761. The reversal of 123790836740 is 47638097321.

It can be written as a sum of positive squares in 4 ways, for example, as 5080516 + 123785756224 = 2254^2 + 351832^2 .

It is a super-4 number, since 4×123790836740⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3284111 + ... + 3321590.

It is an arithmetic number, because the mean of its divisors is an integer number (10843259833).

Almost surely, 2^123790836740 is an apocalyptic number.

123790836740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123790836740 is an abundant number, since it is smaller than the sum of its proper divisors (136447399252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123790836740 is a wasteful number, since it uses less digits than its factorization.

123790836740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606647 (or 6606645 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 123790836740 in words is "one hundred twenty-three billion, seven hundred ninety million, eight hundred thirty-six thousand, seven hundred forty".