723025140 has 96 divisors (see below), whose sum is σ = 2110652544. Its totient is φ = 184757760.

The previous prime is 723025139. The next prime is 723025141. The reversal of 723025140 is 41520327.

It is an interprime number because it is at equal distance from previous prime (723025139) and next prime (723025141).

It is a self number, because there is not a number n which added to its sum of digits gives 723025140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723025141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146310 + ... + 151170.

It is an arithmetic number, because the mean of its divisors is an integer number (21985964).

Almost surely, 2^723025140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723025140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055326272).

723025140 is an abundant number, since it is smaller than the sum of its proper divisors (1387627404).

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

723025140 is a wasteful number, since it uses less digits than its factorization.

723025140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977 (or 4975 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 723025140 is about 26889.1267987638. The cubic root of 723025140 is about 897.5344617344.

Adding to 723025140 its reverse (41520327), we get a palindrome (764545467).

The spelling of 723025140 in words is "seven hundred twenty-three million, twenty-five thousand, one hundred forty".