42340220023 has 8 divisors (see below), whose sum is σ = 43802977680. Its totient is φ = 40877645760.

The previous prime is 42340220003. The next prime is 42340220047. The reversal of 42340220023 is 32002204324.

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 42340220023 - 2²⁵ = 42306665591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42340219976 and 42340220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559536 + ... + 630682.

It is an arithmetic number, because the mean of its divisors is an integer number (5475372210).

Almost surely, 2^42340220023 is an apocalyptic number.

42340220023 is a deficient number, since it is larger than the sum of its proper divisors (1462757657).

42340220023 is a wasteful number, since it uses less digits than its factorization.

42340220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91697.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 42340220023 its reverse (32002204324), we get a palindrome (74342424347).

The spelling of 42340220023 in words is "forty-two billion, three hundred forty million, two hundred twenty thousand, twenty-three".