421144123545300 has 144 divisors (see below), whose sum is σ = 1219132748010240. Its totient is φ = 112247742589440.

The previous prime is 421144123545253. The next prime is 421144123545311. The reversal of 421144123545300 is 3545321441124.

It is a congruent 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, 12387667902 + ... + 12387701898.

It is an arithmetic number, because the mean of its divisors is an integer number (8466199638960).

Almost surely, 2^{421144123545300} is an apocalyptic number.

It is an amenable number.

421144123545300 is an abundant number, since it is smaller than the sum of its proper divisors (797988624464940).

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

421144123545300 is a wasteful number, since it uses less digits than its factorization.

421144123545300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53890 (or 53883 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 421144123545300 its reverse (3545321441124), we get a palindrome (424689444986424).

The spelling of 421144123545300 in words is "four hundred twenty-one trillion, one hundred forty-four billion, one hundred twenty-three million, five hundred forty-five thousand, three hundred".