23421103320142 has 32 divisors (see below), whose sum is σ = 39161095899264. Its totient is φ = 10414987658400.

The previous prime is 23421103320137. The next prime is 23421103320257. The reversal of 23421103320142 is 24102330112432.

It is a self number, because there is not a number n which added to its sum of digits gives 23421103320142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28538784 + ... + 29347987.

It is an arithmetic number, because the mean of its divisors is an integer number (1223784246852).

Almost surely, 2^{23421103320142} is an apocalyptic number.

23421103320142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23421103320142 is a deficient number, since it is larger than the sum of its proper divisors (15739992579122).

23421103320142 is a wasteful number, since it uses less digits than its factorization.

23421103320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57887184.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 23421103320142 its reverse (24102330112432), we get a palindrome (47523433432574).

The spelling of 23421103320142 in words is "twenty-three trillion, four hundred twenty-one billion, one hundred three million, three hundred twenty thousand, one hundred forty-two".