123743641 has 8 divisors (see below), whose sum is σ = 141541184. Its totient is φ = 105976080.

The previous prime is 123743639. The next prime is 123743717. The reversal of 123743641 is 146347321.

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

It is not a de Polignac number, because 123743641 - 2¹ = 123743639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123741641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (17692648).

Almost surely, 2^123743641 is an apocalyptic number.

It is an amenable number.

123743641 is a deficient number, since it is larger than the sum of its proper divisors (17797543).

123743641 is a wasteful number, since it uses less digits than its factorization.

123743641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14991.

The product of its digits is 12096, while the sum is 31.

The square root of 123743641 is about 11124.0119111767. The cubic root of 123743641 is about 498.3192108937.

The spelling of 123743641 in words is "one hundred twenty-three million, seven hundred forty-three thousand, six hundred forty-one".