726123276431 has 8 divisors (see below), whose sum is σ = 873531761280. Its totient is φ = 589633938648.

The previous prime is 726123276421. The next prime is 726123276433. The reversal of 726123276431 is 134672321627.

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

It is not a de Polignac number, because 726123276431 - 2¹⁴ = 726123260047 is a prime.

It is a super-2 number, since 2×726123276431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726123276433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729786621 + ... + 2729786886.

It is an arithmetic number, because the mean of its divisors is an integer number (109191470160).

Almost surely, 2^726123276431 is an apocalyptic number.

726123276431 is a deficient number, since it is larger than the sum of its proper divisors (147408484849).

726123276431 is a wasteful number, since it uses less digits than its factorization.

726123276431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459573533.

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

The spelling of 726123276431 in words is "seven hundred twenty-six billion, one hundred twenty-three million, two hundred seventy-six thousand, four hundred thirty-one".