723360042 has 12 divisors (see below), whose sum is σ = 1567280130. Its totient is φ = 241120008.

The previous prime is 723360037. The next prime is 723360091. The reversal of 723360042 is 240063327.

723360042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 669205161 + 54154881 = 25869^2 + 7359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 723359988 and 723360015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20093317 + ... + 20093352.

Almost surely, 2^723360042 is an apocalyptic number.

723360042 is an abundant number, since it is smaller than the sum of its proper divisors (843920088).

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

723360042 is a wasteful number, since it uses less digits than its factorization.

723360042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40186677 (or 40186674 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 723360042 is about 26895.3535392268. The cubic root of 723360042 is about 897.6730183219.

The spelling of 723360042 in words is "seven hundred twenty-three million, three hundred sixty thousand, forty-two".