423411140 has 48 divisors (see below), whose sum is σ = 943608960. Its totient is φ = 159244800.

The previous prime is 423411103. The next prime is 423411151. The reversal of 423411140 is 41114324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19340 + ... + 34940.

It is an arithmetic number, because the mean of its divisors is an integer number (19658520).

Almost surely, 2^423411140 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 423411140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471804480).

423411140 is an abundant number, since it is smaller than the sum of its proper divisors (520197820).

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

423411140 is a wasteful number, since it uses less digits than its factorization.

423411140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15692 (or 15690 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 423411140 is about 20576.9565290886. The cubic root of 423411140 is about 750.9092025408.

Adding to 423411140 its reverse (41114324), we get a palindrome (464525464).

The spelling of 423411140 in words is "four hundred twenty-three million, four hundred eleven thousand, one hundred forty".