4523140 has 24 divisors (see below), whose sum is σ = 9999360. Its totient is φ = 1713888.

The previous prime is 4523137. The next prime is 4523147. The reversal of 4523140 is 413254.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (4523147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5572 + ... + 6331.

It is an arithmetic number, because the mean of its divisors is an integer number (416640).

Almost surely, 2^4523140 is an apocalyptic number.

It is an amenable number.

4523140 is an abundant number, since it is smaller than the sum of its proper divisors (5476220).

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

4523140 is a wasteful number, since it uses less digits than its factorization.

4523140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11931 (or 11929 counting only the distinct ones).

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

The square root of 4523140 is about 2126.7675002219. The cubic root of 4523140 is about 165.3788661590.

Adding to 4523140 its reverse (413254), we get a palindrome (4936394).

The spelling of 4523140 in words is "four million, five hundred twenty-three thousand, one hundred forty".