723632245 has 16 divisors (see below), whose sum is σ = 1012665600. Its totient is φ = 496203792.

The previous prime is 723632243. The next prime is 723632249. The reversal of 723632245 is 542236327.

It is not a de Polignac number, because 723632245 - 2¹ = 723632243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 723632245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723632243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209257 + ... + 212686.

It is an arithmetic number, because the mean of its divisors is an integer number (63291600).

Almost surely, 2^723632245 is an apocalyptic number.

It is an amenable number.

723632245 is a deficient number, since it is larger than the sum of its proper divisors (289033355).

723632245 is an equidigital number, since it uses as much as digits as its factorization.

723632245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421969 (or 421955 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 723632245 is about 26900.4134726587. The cubic root of 723632245 is about 897.7856034021.

The spelling of 723632245 in words is "seven hundred twenty-three million, six hundred thirty-two thousand, two hundred forty-five".