423861758642 has 16 divisors (see below), whose sum is σ = 769362520320. Its totient is φ = 170969448768.

The previous prime is 423861758641. The next prime is 423861758657. The reversal of 423861758642 is 246857168324.

It is not an unprimeable number, because it can be changed into a prime (423861758641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890465642 + ... + 890466117.

It is an arithmetic number, because the mean of its divisors is an integer number (48085157520).

Almost surely, 2^423861758642 is an apocalyptic number.

423861758642 is a deficient number, since it is larger than the sum of its proper divisors (345500761678).

423861758642 is a wasteful number, since it uses less digits than its factorization.

423861758642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780931785.

The product of its digits is 15482880, while the sum is 56.

The spelling of 423861758642 in words is "four hundred twenty-three billion, eight hundred sixty-one million, seven hundred fifty-eight thousand, six hundred forty-two".