123142767748 has 96 divisors (see below), whose sum is σ = 293005762560. Its totient is φ = 43726400640.

The previous prime is 123142767739. The next prime is 123142767793. The reversal of 123142767748 is 847767241321.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 123142767695 and 123142767704.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121665 + ... + 510967.

It is an arithmetic number, because the mean of its divisors is an integer number (3052143360).

Almost surely, 2^123142767748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123142767748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146502881280).

123142767748 is an abundant number, since it is smaller than the sum of its proper divisors (169862994812).

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

123142767748 is a wasteful number, since it uses less digits than its factorization.

123142767748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389417 (or 389415 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 52.

The spelling of 123142767748 in words is "one hundred twenty-three billion, one hundred forty-two million, seven hundred sixty-seven thousand, seven hundred forty-eight".