423313323400 has 192 divisors, whose sum is σ = 1131086980800. Its totient is φ = 145714176000.

The previous prime is 423313323371. The next prime is 423313323449. The reversal of 423313323400 is 4323313324.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64912140 + ... + 64918660.

It is an arithmetic number, because the mean of its divisors is an integer number (5891078025).

Almost surely, 2^423313323400 is an apocalyptic number.

423313323400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423313323400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565543490400).

423313323400 is an abundant number, since it is smaller than the sum of its proper divisors (707773657400).

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

423313323400 is a wasteful number, since it uses less digits than its factorization.

423313323400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120 (or 8111 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 423313323400 its reverse (4323313324), we get a palindrome (427636636724).

The spelling of 423313323400 in words is "four hundred twenty-three billion, three hundred thirteen million, three hundred twenty-three thousand, four hundred".