123138764230 has 16 divisors (see below), whose sum is σ = 225831847824. Its totient is φ = 48326156320.

The previous prime is 123138764179. The next prime is 123138764237. The reversal of 123138764230 is 32467831321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123138764237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116168116 + ... + 116169175.

It is an arithmetic number, because the mean of its divisors is an integer number (14114490489).

Almost surely, 2^123138764230 is an apocalyptic number.

123138764230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123138764230 is a deficient number, since it is larger than the sum of its proper divisors (102693083594).

123138764230 is a wasteful number, since it uses less digits than its factorization.

123138764230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232337351.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 123138764230 in words is "one hundred twenty-three billion, one hundred thirty-eight million, seven hundred sixty-four thousand, two hundred thirty".