42243427969623 has 12 divisors (see below), whose sum is σ = 63122363633160. Its totient is φ = 27191172026256.

The previous prime is 42243427969543. The next prime is 42243427969657. The reversal of 42243427969623 is 32696972434224.

It is a happy number.

42243427969623 is a `hidden beast` number, since 4 + 2 + 2 + 434 + 2 + 7 + 96 + 96 + 23 = 666.

It is not a de Polignac number, because 42243427969623 - 2⁴² = 37845381458519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42243427969123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80926106961 + ... + 80926107482.

It is an arithmetic number, because the mean of its divisors is an integer number (5260196969430).

Almost surely, 2^{42243427969623} is an apocalyptic number.

42243427969623 is a deficient number, since it is larger than the sum of its proper divisors (20878935663537).

42243427969623 is a wasteful number, since it uses less digits than its factorization.

42243427969623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161852214478 (or 161852214475 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 63.

The spelling of 42243427969623 in words is "forty-two trillion, two hundred forty-three billion, four hundred twenty-seven million, nine hundred sixty-nine thousand, six hundred twenty-three".