723103442 has 4 divisors (see below), whose sum is σ = 1084655166. Its totient is φ = 361551720.

The previous prime is 723103441. The next prime is 723103477. The reversal of 723103442 is 244301327.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 721513321 + 1590121 = 26861^2 + 1261^2 .

It is not an unprimeable number, because it can be changed into a prime (723103441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180775859 + ... + 180775862.

Almost surely, 2^723103442 is an apocalyptic number.

723103442 is a deficient number, since it is larger than the sum of its proper divisors (361551724).

723103442 is a wasteful number, since it uses less digits than its factorization.

723103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361551723.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 723103442 is about 26890.5827753881. The cubic root of 723103442 is about 897.5668608875.

Adding to 723103442 its reverse (244301327), we get a palindrome (967404769).

The spelling of 723103442 in words is "seven hundred twenty-three million, one hundred three thousand, four hundred forty-two".