42121422433023 has 16 divisors (see below), whose sum is σ = 57242978850816. Its totient is φ = 27540803890080.

The previous prime is 42121422432931. The next prime is 42121422433049. The reversal of 42121422433023 is 32033422412124.

It is a happy number.

It is not a de Polignac number, because 42121422433023 - 2⁹ = 42121422432511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42121422433063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49166215 + ... + 50015592.

It is an arithmetic number, because the mean of its divisors is an integer number (3577686178176).

Almost surely, 2^{42121422433023} is an apocalyptic number.

42121422433023 is a deficient number, since it is larger than the sum of its proper divisors (15121556417793).

42121422433023 is a wasteful number, since it uses less digits than its factorization.

42121422433023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99184534.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 42121422433023 its reverse (32033422412124), we get a palindrome (74154844845147).

The spelling of 42121422433023 in words is "forty-two trillion, one hundred twenty-one billion, four hundred twenty-two million, four hundred thirty-three thousand, twenty-three".