423102143042 has 4 divisors (see below), whose sum is σ = 634653214566. Its totient is φ = 211551071520.

The previous prime is 423102142993. The next prime is 423102143063. The reversal of 423102143042 is 240341201324.

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

It can be written as a sum of positive squares in only one way, i.e., 423083901601 + 18241441 = 650449^2 + 4271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105775535759 + ... + 105775535762.

Almost surely, 2^423102143042 is an apocalyptic number.

423102143042 is a deficient number, since it is larger than the sum of its proper divisors (211551071524).

423102143042 is a wasteful number, since it uses less digits than its factorization.

423102143042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211551071523.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 423102143042 its reverse (240341201324), we get a palindrome (663443344366).

The spelling of 423102143042 in words is "four hundred twenty-three billion, one hundred two million, one hundred forty-three thousand, forty-two".