123788085628 has 12 divisors (see below), whose sum is σ = 216792406432. Its totient is φ = 61847398080.

The previous prime is 123788085623. The next prime is 123788085661. The reversal of 123788085628 is 826580887321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123788085623) 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, 11655213 + ... + 11665828.

Almost surely, 2^123788085628 is an apocalyptic number.

It is an amenable number.

123788085628 is a deficient number, since it is larger than the sum of its proper divisors (93004320804).

123788085628 is a wasteful number, since it uses less digits than its factorization.

123788085628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23322372 (or 23322370 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 123788085628 in words is "one hundred twenty-three billion, seven hundred eighty-eight million, eighty-five thousand, six hundred twenty-eight".