723025220 has 24 divisors (see below), whose sum is σ = 1553665344. Its totient is φ = 282483936.

The previous prime is 723025159. The next prime is 723025223. The reversal of 723025220 is 22520327.

It is not an unprimeable number, because it can be changed into a prime (723025223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419504 + ... + 421223.

It is an arithmetic number, because the mean of its divisors is an integer number (64736056).

Almost surely, 2^723025220 is an apocalyptic number.

It is an amenable number.

723025220 is an abundant number, since it is smaller than the sum of its proper divisors (830640124).

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

723025220 is a wasteful number, since it uses less digits than its factorization.

723025220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840779 (or 840777 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 723025220 is about 26889.1282863539. The cubic root of 723025220 is about 897.5344948373.

Adding to 723025220 its reverse (22520327), we get a palindrome (745545547).

The spelling of 723025220 in words is "seven hundred twenty-three million, twenty-five thousand, two hundred twenty".