423011420 has 48 divisors (see below), whose sum is σ = 960204000. Its totient is φ = 155609856.

The previous prime is 423011419. The next prime is 423011443. The reversal of 423011420 is 24110324.

It is a super-2 number, since 2×423011420² = 357877322900832800, which contains 22 as substring.

It is a congruent number.

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, 70706 + ... + 76454.

It is an arithmetic number, because the mean of its divisors is an integer number (20004250).

Almost surely, 2^423011420 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 423011420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480102000).

423011420 is an abundant number, since it is smaller than the sum of its proper divisors (537192580).

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

423011420 is a wasteful number, since it uses less digits than its factorization.

423011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054 (or 6052 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 423011420 is about 20567.2414290298. The cubic root of 423011420 is about 750.6728302928.

Adding to 423011420 its reverse (24110324), we get a palindrome (447121744).

The spelling of 423011420 in words is "four hundred twenty-three million, eleven thousand, four hundred twenty".