723342642 has 16 divisors (see below), whose sum is σ = 1578202272. Its totient is φ = 219194720.

The previous prime is 723342629. The next prime is 723342703. The reversal of 723342642 is 246243327.

723342642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5479803 + ... + 5479934.

It is an arithmetic number, because the mean of its divisors is an integer number (98637642).

Almost surely, 2^723342642 is an apocalyptic number.

723342642 is an abundant number, since it is smaller than the sum of its proper divisors (854859630).

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

723342642 is a wasteful number, since it uses less digits than its factorization.

723342642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959753.

The product of its digits is 48384, while the sum is 33.

The square root of 723342642 is about 26895.0300613329. The cubic root of 723342642 is about 897.6658205988.

Adding to 723342642 its reverse (246243327), we get a palindrome (969585969).

The spelling of 723342642 in words is "seven hundred twenty-three million, three hundred forty-two thousand, six hundred forty-two".