423342121200 has 60 divisors (see below), whose sum is σ = 1356105932088. Its totient is φ = 112891232000.

The previous prime is 423342121171. The next prime is 423342121201. The reversal of 423342121200 is 2121243324.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423342121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176391351 + ... + 176393750.

Almost surely, 2^423342121200 is an apocalyptic number.

423342121200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423342121200 is an abundant number, since it is smaller than the sum of its proper divisors (932763810888).

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

423342121200 is a wasteful number, since it uses less digits than its factorization.

423342121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352785122 (or 352785111 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 423342121200 its reverse (2121243324), we get a palindrome (425463364524).

The spelling of 423342121200 in words is "four hundred twenty-three billion, three hundred forty-two million, one hundred twenty-one thousand, two hundred".