23421111422 has 4 divisors (see below), whose sum is σ = 35131667136. Its totient is φ = 11710555710.

The previous prime is 23421111419. The next prime is 23421111443. The reversal of 23421111422 is 22411112432.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5855277854 + ... + 5855277857.

It is an arithmetic number, because the mean of its divisors is an integer number (8782916784).

Almost surely, 2^23421111422 is an apocalyptic number.

23421111422 is a deficient number, since it is larger than the sum of its proper divisors (11710555714).

23421111422 is a wasteful number, since it uses less digits than its factorization.

23421111422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710555713.

The product of its digits is 768, while the sum is 23.

Adding to 23421111422 its reverse (22411112432), we get a palindrome (45832223854).

The spelling of 23421111422 in words is "twenty-three billion, four hundred twenty-one million, one hundred eleven thousand, four hundred twenty-two".