123734121437321 has 8 divisors (see below), whose sum is σ = 125799418180800. Its totient is φ = 121677784767280.

The previous prime is 123734121437299. The next prime is 123734121437323.

123734121437321 is nontrivially palindromic in base 10.

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 123734121437321 - 2³⁴ = 123716941568137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123734121437323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239990511 + ... + 2240045748.

It is an arithmetic number, because the mean of its divisors is an integer number (15724927272600).

Almost surely, 2^{123734121437321} is an apocalyptic number.

It is an amenable number.

123734121437321 is a deficient number, since it is larger than the sum of its proper divisors (2065296743479).

123734121437321 is an equidigital number, since it uses as much as digits as its factorization.

123734121437321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480036719.

The product of its digits is 508032, while the sum is 44.

The spelling of 123734121437321 in words is "one hundred twenty-three trillion, seven hundred thirty-four billion, one hundred twenty-one million, four hundred thirty-seven thousand, three hundred twenty-one".