423340401400 has 48 divisors (see below), whose sum is σ = 1124875927440. Its totient is φ = 145145280000.

The previous prime is 423340401377. The next prime is 423340401457. The reversal of 423340401400 is 4104043324.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151191601 + ... + 151194400.

It is an arithmetic number, because the mean of its divisors is an integer number (23434915155).

Almost surely, 2^423340401400 is an apocalyptic number.

423340401400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423340401400 is an abundant number, since it is smaller than the sum of its proper divisors (701535526040).

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

423340401400 is a wasteful number, since it uses less digits than its factorization.

423340401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302386024 (or 302386015 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 423340401400 its reverse (4104043324), we get a palindrome (427444444724).

The spelling of 423340401400 in words is "four hundred twenty-three billion, three hundred forty million, four hundred one thousand, four hundred".