423253760 has 144 divisors (see below), whose sum is σ = 1096695936. Its totient is φ = 155910144.

The previous prime is 423253739. The next prime is 423253763. The reversal of 423253760 is 67352324.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423253763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153097 + ... + 1153463.

It is an arithmetic number, because the mean of its divisors is an integer number (7615944).

Almost surely, 2^423253760 is an apocalyptic number.

423253760 is a gapful number since it is divisible by the number (40) 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 423253760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548347968).

423253760 is an abundant number, since it is smaller than the sum of its proper divisors (673442176).

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

423253760 is a wasteful number, since it uses less digits than its factorization.

423253760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 423253760 is about 20573.1319929660. The cubic root of 423253760 is about 750.8161544966.

The spelling of 423253760 in words is "four hundred twenty-three million, two hundred fifty-three thousand, seven hundred sixty".