123743078984 has 32 divisors (see below), whose sum is σ = 265180267200. Its totient is φ = 53029442880.

The previous prime is 123743078981. The next prime is 123743079011. The reversal of 123743078984 is 489870347321.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (123743078981) 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, 978707 + ... + 1097885.

It is an arithmetic number, because the mean of its divisors is an integer number (8286883350).

Almost surely, 2^123743078984 is an apocalyptic number.

123743078984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123743078984 is an abundant number, since it is smaller than the sum of its proper divisors (141437188216).

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

123743078984 is a wasteful number, since it uses less digits than its factorization.

123743078984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137733 (or 137729 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 123743078984 in words is "one hundred twenty-three billion, seven hundred forty-three million, seventy-eight thousand, nine hundred eighty-four".