423245321550 has 48 divisors (see below), whose sum is σ = 1166276000880. Its totient is φ = 112865418720.

The previous prime is 423245321459. The next prime is 423245321561. The reversal of 423245321550 is 55123542324.

423245321550 is a `hidden beast` number, since 4 + 2 + 32 + 4 + 53 + 21 + 550 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156756177 + ... + 156758876.

It is an arithmetic number, because the mean of its divisors is an integer number (24297416685).

Almost surely, 2^423245321550 is an apocalyptic number.

423245321550 is an abundant number, since it is smaller than the sum of its proper divisors (743030679330).

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

423245321550 is a wasteful number, since it uses less digits than its factorization.

423245321550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313515074 (or 313515063 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 423245321550 its reverse (55123542324), we get a palindrome (478368863874).

The spelling of 423245321550 in words is "four hundred twenty-three billion, two hundred forty-five million, three hundred twenty-one thousand, five hundred fifty".