42102423213043 has 4 divisors (see below), whose sum is σ = 44579036343240. Its totient is φ = 39625810082848.

The previous prime is 42102423213017. The next prime is 42102423213049. The reversal of 42102423213043 is 34031232420124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42102423213043 - 2²⁵ = 42102389658611 is a prime.

It is a super-2 number, since 2×42102423213043² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42102423212996 and 42102423213014.

It is not an unprimeable number, because it can be changed into a prime (42102423213049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238306565073 + ... + 1238306565106.

It is an arithmetic number, because the mean of its divisors is an integer number (11144759085810).

Almost surely, 2^{42102423213043} is an apocalyptic number.

42102423213043 is a deficient number, since it is larger than the sum of its proper divisors (2476613130197).

42102423213043 is a wasteful number, since it uses less digits than its factorization.

42102423213043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476613130196.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 42102423213043 its reverse (34031232420124), we get a palindrome (76133655633167).

The spelling of 42102423213043 in words is "forty-two trillion, one hundred two billion, four hundred twenty-three million, two hundred thirteen thousand, forty-three".