723847488 has 224 divisors, whose sum is σ = 2496824064. Its totient is φ = 179601408.

The previous prime is 723847483. The next prime is 723847493. The reversal of 723847488 is 884748327.

It is an interprime number because it is at equal distance from previous prime (723847483) and next prime (723847493).

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 723847488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723847483) 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, 295806 + ... + 298242.

It is an arithmetic number, because the mean of its divisors is an integer number (11146536).

Almost surely, 2^723847488 is an apocalyptic number.

723847488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723847488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248412032).

723847488 is an abundant number, since it is smaller than the sum of its proper divisors (1772976576).

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

723847488 is a wasteful number, since it uses less digits than its factorization.

723847488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2479 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 51.

The square root of 723847488 is about 26904.4139129623. The cubic root of 723847488 is about 897.8746094368.

The spelling of 723847488 in words is "seven hundred twenty-three million, eight hundred forty-seven thousand, four hundred eighty-eight".