2042421232023 has 18 divisors (see below), whose sum is σ = 3113607995784. Its totient is φ = 1289950249752.

The previous prime is 2042421231973. The next prime is 2042421232037. The reversal of 2042421232023 is 3202321242402.

2042421232023 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 421 + 232 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 2042421232023 - 2¹⁸ = 2042420969879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042421232823) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 314312115 + ... + 314318612.

It is an arithmetic number, because the mean of its divisors is an integer number (172978221988).

Almost surely, 2^{2042421232023} is an apocalyptic number.

2042421232023 is a deficient number, since it is larger than the sum of its proper divisors (1071186763761).

2042421232023 is a wasteful number, since it uses less digits than its factorization.

2042421232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628630771 (or 628630749 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2042421232023 its reverse (3202321242402), we get a palindrome (5244742474425).

The spelling of 2042421232023 in words is "two trillion, forty-two billion, four hundred twenty-one million, two hundred thirty-two thousand, twenty-three".