423423550400 has 42 divisors (see below), whose sum is σ = 1041886577640. Its totient is φ = 169369419520.

The previous prime is 423423550393. The next prime is 423423550411. The reversal of 423423550400 is 4055324324.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132318260 + ... + 132321459.

Almost surely, 2^423423550400 is an apocalyptic number.

423423550400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423423550400 is an abundant number, since it is smaller than the sum of its proper divisors (618463027240).

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

423423550400 is a wasteful number, since it uses less digits than its factorization.

423423550400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264639741 (or 264639726 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 423423550400 its reverse (4055324324), we get a palindrome (427478874724).

The spelling of 423423550400 in words is "four hundred twenty-three billion, four hundred twenty-three million, five hundred fifty thousand, four hundred".