723821468 has 6 divisors (see below), whose sum is σ = 1266687576. Its totient is φ = 361910732.

The previous prime is 723821467. The next prime is 723821471. The reversal of 723821468 is 864128327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723821467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90477680 + ... + 90477687.

It is an arithmetic number, because the mean of its divisors is an integer number (211114596).

Almost surely, 2^723821468 is an apocalyptic number.

It is an amenable number.

723821468 is a deficient number, since it is larger than the sum of its proper divisors (542866108).

723821468 is a wasteful number, since it uses less digits than its factorization.

723821468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180955371 (or 180955369 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 723821468 is about 26903.9303448400. The cubic root of 723821468 is about 897.8638507352.

The spelling of 723821468 in words is "seven hundred twenty-three million, eight hundred twenty-one thousand, four hundred sixty-eight".