423440514 has 64 divisors (see below), whose sum is σ = 1079930880. Its totient is φ = 120474000.

The previous prime is 423440503. The next prime is 423440527. The reversal of 423440514 is 415044324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92647 + ... + 97109.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920).

Almost surely, 2^423440514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423440514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539965440).

423440514 is an abundant number, since it is smaller than the sum of its proper divisors (656490366).

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

423440514 is a wasteful number, since it uses less digits than its factorization.

423440514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732 (or 4726 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 423440514 is about 20577.6702762971. The cubic root of 423440514 is about 750.9265668272.

Adding to 423440514 its reverse (415044324), we get a palindrome (838484838).

The spelling of 423440514 in words is "four hundred twenty-three million, four hundred forty thousand, five hundred fourteen".