42004240320023 has 8 divisors (see below), whose sum is σ = 43164911154192. Its totient is φ = 40844907438336.

The previous prime is 42004240320001. The next prime is 42004240320043. The reversal of 42004240320023 is 32002304240024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42004240320023 - 2¹⁴ = 42004240303639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42004240319974 and 42004240320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42004240320043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334424465 + ... + 334550042.

It is an arithmetic number, because the mean of its divisors is an integer number (5395613894274).

Almost surely, 2^{42004240320023} is an apocalyptic number.

42004240320023 is a deficient number, since it is larger than the sum of its proper divisors (1160670834169).

42004240320023 is a wasteful number, since it uses less digits than its factorization.

42004240320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668976241.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 42004240320023 its reverse (32002304240024), we get a palindrome (74006544560047).

The spelling of 42004240320023 in words is "forty-two trillion, four billion, two hundred forty million, three hundred twenty thousand, twenty-three".