42123210323 has 8 divisors (see below), whose sum is σ = 42164550000. Its totient is φ = 42081895168.

The previous prime is 42123210319. The next prime is 42123210329. The reversal of 42123210323 is 32301232124.

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 42123210323 - 2² = 42123210319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42123210329) 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, 5613428 + ... + 5620926.

It is an arithmetic number, because the mean of its divisors is an integer number (5270568750).

Almost surely, 2^42123210323 is an apocalyptic number.

42123210323 is a deficient number, since it is larger than the sum of its proper divisors (41339677).

42123210323 is a wasteful number, since it uses less digits than its factorization.

42123210323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12261.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42123210323 its reverse (32301232124), we get a palindrome (74424442447).

The spelling of 42123210323 in words is "forty-two billion, one hundred twenty-three million, two hundred ten thousand, three hundred twenty-three".