423313423420 has 24 divisors (see below), whose sum is σ = 888976512144. Its totient is φ = 169321879296.

The previous prime is 423313423391. The next prime is 423313423427. The reversal of 423313423420 is 24324313324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423313423427) 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, 921732 + ... + 1302388.

It is an arithmetic number, because the mean of its divisors is an integer number (37040688006).

Almost surely, 2^423313423420 is an apocalyptic number.

It is an amenable number.

423313423420 is an abundant number, since it is smaller than the sum of its proper divisors (465663088724).

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

423313423420 is a wasteful number, since it uses less digits than its factorization.

423313423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436269 (or 436267 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 423313423420 its reverse (24324313324), we get a palindrome (447637736744).

The spelling of 423313423420 in words is "four hundred twenty-three billion, three hundred thirteen million, four hundred twenty-three thousand, four hundred twenty".