723314529438 has 16 divisors (see below), whose sum is σ = 1450166054160. Its totient is φ = 240515343936.

The previous prime is 723314529407. The next prime is 723314529439. The reversal of 723314529438 is 834925413327.

It is a super-2 number, since 2×723314529438² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723314529439) 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, 147372145 + ... + 147377052.

It is an arithmetic number, because the mean of its divisors is an integer number (90635378385).

Almost surely, 2^723314529438 is an apocalyptic number.

723314529438 is an abundant number, since it is smaller than the sum of its proper divisors (726851524722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723314529438 is a wasteful number, since it uses less digits than its factorization.

723314529438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294749611.

The product of its digits is 4354560, while the sum is 51.

The spelling of 723314529438 in words is "seven hundred twenty-three billion, three hundred fourteen million, five hundred twenty-nine thousand, four hundred thirty-eight".