723199946 has 32 divisors (see below), whose sum is σ = 1275108480. Its totient is φ = 301219776.

The previous prime is 723199937. The next prime is 723199949. The reversal of 723199946 is 649991327.

It is a junction number, because it is equal to n+sod(n) for n = 723199894 and 723199903.

It is not an unprimeable number, because it can be changed into a prime (723199949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74840 + ... + 83948.

It is an arithmetic number, because the mean of its divisors is an integer number (39847140).

Almost surely, 2^723199946 is an apocalyptic number.

723199946 is a deficient number, since it is larger than the sum of its proper divisors (551908534).

723199946 is a wasteful number, since it uses less digits than its factorization.

723199946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278.

The product of its digits is 734832, while the sum is 50.

The square root of 723199946 is about 26892.3770983526. The cubic root of 723199946 is about 897.6067882959.

The spelling of 723199946 in words is "seven hundred twenty-three million, one hundred ninety-nine thousand, nine hundred forty-six".