723480836 has 12 divisors (see below), whose sum is σ = 1363483212. Its totient is φ = 333914208.

The previous prime is 723480827. The next prime is 723480859. The reversal of 723480836 is 638084327.

It can be written as a sum of positive squares in 2 ways, for example, as 115562500 + 607918336 = 10750^2 + 24656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 723480793 and 723480802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6956495 + ... + 6956598.

It is an arithmetic number, because the mean of its divisors is an integer number (113623601).

Almost surely, 2^723480836 is an apocalyptic number.

It is an amenable number.

723480836 is a deficient number, since it is larger than the sum of its proper divisors (640002376).

723480836 is a wasteful number, since it uses less digits than its factorization.

723480836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913110 (or 13913108 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 723480836 is about 26897.5990750104. The cubic root of 723480836 is about 897.7229830573.

The spelling of 723480836 in words is "seven hundred twenty-three million, four hundred eighty thousand, eight hundred thirty-six".