123746838641 has 8 divisors (see below), whose sum is σ = 125490057600. Its totient is φ = 122008039920.

The previous prime is 123746838601. The next prime is 123746838653. The reversal of 123746838641 is 146838647321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123746838641 - 2¹⁸ = 123746576497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123746838601) 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, 1048655 + ... + 1160676.

It is an arithmetic number, because the mean of its divisors is an integer number (15686257200).

Almost surely, 2^123746838641 is an apocalyptic number.

It is an amenable number.

123746838641 is a deficient number, since it is larger than the sum of its proper divisors (1743218959).

123746838641 is an equidigital number, since it uses as much as digits as its factorization.

123746838641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210119.

The product of its digits is 4644864, while the sum is 53.

The spelling of 123746838641 in words is "one hundred twenty-three billion, seven hundred forty-six million, eight hundred thirty-eight thousand, six hundred forty-one".