423314232420 has 192 divisors, whose sum is σ = 1232715939840. Its totient is φ = 108423360000.

The previous prime is 423314232409. The next prime is 423314232427. The reversal of 423314232420 is 24232413324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (423314232427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 250037094 + ... + 250038786.

It is an arithmetic number, because the mean of its divisors is an integer number (6420395520).

Almost surely, 2^423314232420 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 423314232420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616357969920).

423314232420 is an abundant number, since it is smaller than the sum of its proper divisors (809401707420).

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

423314232420 is a wasteful number, since it uses less digits than its factorization.

423314232420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 423314232420 its reverse (24232413324), we get a palindrome (447546645744).

The spelling of 423314232420 in words is "four hundred twenty-three billion, three hundred fourteen million, two hundred thirty-two thousand, four hundred twenty".