723271012436 has 24 divisors (see below), whose sum is σ = 1446867998016. Its totient is φ = 309903439680.

The previous prime is 723271012427. The next prime is 723271012439. The reversal of 723271012436 is 634210172327.

It is a self number, because there is not a number n which added to its sum of digits gives 723271012436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723271012439) 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, 2783906 + ... + 3032601.

It is an arithmetic number, because the mean of its divisors is an integer number (60286166584).

Almost surely, 2^723271012436 is an apocalyptic number.

It is an amenable number.

723271012436 is an abundant number, since it is smaller than the sum of its proper divisors (723596985580).

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

723271012436 is a wasteful number, since it uses less digits than its factorization.

723271012436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820959 (or 5820957 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 723271012436 in words is "seven hundred twenty-three billion, two hundred seventy-one million, twelve thousand, four hundred thirty-six".