42142644423 has 96 divisors (see below), whose sum is σ = 71693107200. Its totient is φ = 23581108800.

The previous prime is 42142644419. The next prime is 42142644437. The reversal of 42142644423 is 32444624124.

42142644423 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 2 + 644 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 42142644423 - 2² = 42142644419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142644463) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23957418 + ... + 23959176.

It is an arithmetic number, because the mean of its divisors is an integer number (746803200).

Almost surely, 2^42142644423 is an apocalyptic number.

42142644423 is a deficient number, since it is larger than the sum of its proper divisors (29550462777).

42142644423 is a wasteful number, since it uses less digits than its factorization.

42142644423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113 (or 2110 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

The spelling of 42142644423 in words is "forty-two billion, one hundred forty-two million, six hundred forty-four thousand, four hundred twenty-three".