123743795904 has 196 divisors, whose sum is σ = 370830810280. Its totient is φ = 40949038080.

The previous prime is 123743795893. The next prime is 123743795927. The reversal of 123743795904 is 409597347321.

123743795904 is a `hidden beast` number, since 1 + 2 + 3 + 7 + 43 + 7 + 9 + 590 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6475644 + ... + 6494724.

It is an arithmetic number, because the mean of its divisors is an integer number (1891993930).

Almost surely, 2^123743795904 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 123743795904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185415405140).

123743795904 is an abundant number, since it is smaller than the sum of its proper divisors (247087014376).

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

123743795904 is an equidigital number, since it uses as much as digits as its factorization.

123743795904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250 (or 19225 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 123743795904 in words is "one hundred twenty-three billion, seven hundred forty-three million, seven hundred ninety-five thousand, nine hundred four".