5123440 has 60 divisors (see below), whose sum is σ = 13867416. Its totient is φ = 1755264.

The previous prime is 5123429. The next prime is 5123441. The reversal of 5123440 is 443215.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3267 + ... + 4573.

Almost surely, 2^5123440 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 5123440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6933708).

5123440 is an abundant number, since it is smaller than the sum of its proper divisors (8743976).

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

5123440 is a wasteful number, since it uses less digits than its factorization.

5123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5123440 is about 2263.5017119499. The cubic root of 5123440 is about 172.3933668491.

Adding to 5123440 its reverse (443215), we get a palindrome (5566655).

The spelling of 5123440 in words is "five million, one hundred twenty-three thousand, four hundred forty".