423515204342044 has 12 divisors (see below), whose sum is σ = 749479153752000. Its totient is φ = 209378303270048.

The previous prime is 423515204342023. The next prime is 423515204342137. The reversal of 423515204342044 is 440243402515324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594824724844 + ... + 594824725555.

It is an arithmetic number, because the mean of its divisors is an integer number (62456596146000).

Almost surely, 2^{423515204342044} is an apocalyptic number.

It is an amenable number.

423515204342044 is a deficient number, since it is larger than the sum of its proper divisors (325963949409956).

423515204342044 is a wasteful number, since it uses less digits than its factorization.

423515204342044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189649450492 (or 1189649450490 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 423515204342044 its reverse (440243402515324), we get a palindrome (863758606857368).

The spelling of 423515204342044 in words is "four hundred twenty-three trillion, five hundred fifteen billion, two hundred four million, three hundred forty-two thousand, forty-four".