423016544 has 48 divisors (see below), whose sum is σ = 857158848. Its totient is φ = 205396992.

The previous prime is 423016541. The next prime is 423016547. The reversal of 423016544 is 445610324.

It is an interprime number because it is at equal distance from previous prime (423016541) and next prime (423016547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423016541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205022 + ... + 207074.

It is an arithmetic number, because the mean of its divisors is an integer number (17857476).

Almost surely, 2^423016544 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 423016544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428579424).

423016544 is an abundant number, since it is smaller than the sum of its proper divisors (434142304).

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

423016544 is a wasteful number, since it uses less digits than its factorization.

423016544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 423016544 is about 20567.3659956738. The cubic root of 423016544 is about 750.6758612843.

Adding to 423016544 its reverse (445610324), we get a palindrome (868626868).

The spelling of 423016544 in words is "four hundred twenty-three million, sixteen thousand, five hundred forty-four".