123743347321 has 8 divisors (see below), whose sum is σ = 136509516000. Its totient is φ = 111229974240.

The previous prime is 123743347297. The next prime is 123743347339.

It is a happy number.

123743347321 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 123743347321 - 2⁵ = 123743347289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123743347381) 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, 63197871 + ... + 63199828.

It is an arithmetic number, because the mean of its divisors is an integer number (17063689500).

Almost surely, 2^123743347321 is an apocalyptic number.

123743347321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123743347321 is a deficient number, since it is larger than the sum of its proper divisors (12766168679).

123743347321 is a wasteful number, since it uses less digits than its factorization.

123743347321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126397799.

The product of its digits is 254016, while the sum is 40.

The spelling of 123743347321 in words is "one hundred twenty-three billion, seven hundred forty-three million, three hundred forty-seven thousand, three hundred twenty-one".