423340544 has 40 divisors (see below), whose sum is σ = 922762368. Its totient is φ = 192424960.

The previous prime is 423340543. The next prime is 423340559. The reversal of 423340544 is 445043324.

It is not an unprimeable number, because it can be changed into a prime (423340543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31952 + ... + 43215.

Almost surely, 2^423340544 is an apocalyptic number.

423340544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

423340544 is an abundant number, since it is smaller than the sum of its proper divisors (499421824).

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

423340544 is an equidigital number, since it uses as much as digits as its factorization.

423340544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75196 (or 75180 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 423340544 is about 20575.2410435455. The cubic root of 423340544 is about 750.8674668002.

Adding to 423340544 its reverse (445043324), we get a palindrome (868383868).

The spelling of 423340544 in words is "four hundred twenty-three million, three hundred forty thousand, five hundred forty-four".