123880267880 has 16 divisors (see below), whose sum is σ = 278730602820. Its totient is φ = 49552107136.

The previous prime is 123880267873. The next prime is 123880267897. The reversal of 123880267880 is 88762088321.

It can be written as a sum of positive squares in 2 ways, for example, as 118670604196 + 5209663684 = 344486^2 + 72178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548503309 + ... + 1548503388.

Almost surely, 2^123880267880 is an apocalyptic number.

123880267880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123880267880 is an abundant number, since it is smaller than the sum of its proper divisors (154850334940).

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

123880267880 is a wasteful number, since it uses less digits than its factorization.

123880267880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097006708 (or 3097006704 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 123880267880 in words is "one hundred twenty-three billion, eight hundred eighty million, two hundred sixty-seven thousand, eight hundred eighty".