223400121242 has 8 divisors (see below), whose sum is σ = 352737033600. Its totient is φ = 105821110044.

The previous prime is 223400121187. The next prime is 223400121257. The reversal of 223400121242 is 242121004322.

223400121242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×223400121242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2939475242 + ... + 2939475317.

It is an arithmetic number, because the mean of its divisors is an integer number (44092129200).

Almost surely, 2^223400121242 is an apocalyptic number.

223400121242 is a deficient number, since it is larger than the sum of its proper divisors (129336912358).

223400121242 is a wasteful number, since it uses less digits than its factorization.

223400121242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878950580.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 223400121242 its reverse (242121004322), we get a palindrome (465521125564).

The spelling of 223400121242 in words is "two hundred twenty-three billion, four hundred million, one hundred twenty-one thousand, two hundred forty-two".