723140766613422 has 96 divisors (see below), whose sum is σ = 1631254361217312. Its totient is φ = 231310845821952.

The previous prime is 723140766613411. The next prime is 723140766613469. The reversal of 723140766613422 is 224316667041327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1391527698 + ... + 1392047274.

It is an arithmetic number, because the mean of its divisors is an integer number (16992232929347).

Almost surely, 2^{723140766613422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723140766613422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815627180608656).

723140766613422 is an abundant number, since it is smaller than the sum of its proper divisors (908113594603890).

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

723140766613422 is a wasteful number, since it uses less digits than its factorization.

723140766613422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548322 (or 548319 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 723140766613422 in words is "seven hundred twenty-three trillion, one hundred forty billion, seven hundred sixty-six million, six hundred thirteen thousand, four hundred twenty-two".