723612966912 has 896 divisors, whose sum is σ = 2489754654720. Its totient is φ = 205541867520.

The previous prime is 723612966887. The next prime is 723612966913. The reversal of 723612966912 is 219669216327.

723612966912 is a `hidden beast` number, since 7 + 2 + 3 + 612 + 9 + 6 + 6 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (723612966913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3749289888 + ... + 3749290080.

Almost surely, 2^723612966912 is an apocalyptic number.

723612966912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723612966912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244877327360).

723612966912 is an abundant number, since it is smaller than the sum of its proper divisors (1766141687808).

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

723612966912 is a wasteful number, since it uses less digits than its factorization.

723612966912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 299 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 723612966912 in words is "seven hundred twenty-three billion, six hundred twelve million, nine hundred sixty-six thousand, nine hundred twelve".