123771070788 has 24 divisors (see below), whose sum is σ = 288809647392. Its totient is φ = 41255526144.

The previous prime is 123771070751. The next prime is 123771070793. The reversal of 123771070788 is 887070177321.

It is a super-4 number, since 4×123771070788⁴ (a number of 45 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123771070788.

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, 187156 + ... + 531572.

It is an arithmetic number, because the mean of its divisors is an integer number (12033735308).

Almost surely, 2^123771070788 is an apocalyptic number.

It is an amenable number.

123771070788 is an abundant number, since it is smaller than the sum of its proper divisors (165038576604).

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

123771070788 is a wasteful number, since it uses less digits than its factorization.

123771070788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374371 (or 374369 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 51.

The spelling of 123771070788 in words is "one hundred twenty-three billion, seven hundred seventy-one million, seventy thousand, seven hundred eighty-eight".