222100203212323 has 4 divisors (see below), whose sum is σ = 235164921048360. Its totient is φ = 209035485376288.

The previous prime is 222100203212287. The next prime is 222100203212351. The reversal of 222100203212323 is 323212302001222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222100203212323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222100203212383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6532358917993 + ... + 6532358918026.

It is an arithmetic number, because the mean of its divisors is an integer number (58791230262090).

Almost surely, 2^{222100203212323} is an apocalyptic number.

222100203212323 is a deficient number, since it is larger than the sum of its proper divisors (13064717836037).

222100203212323 is a wasteful number, since it uses less digits than its factorization.

222100203212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13064717836036.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 222100203212323 its reverse (323212302001222), we get a palindrome (545312505213545).

The spelling of 222100203212323 in words is "two hundred twenty-two trillion, one hundred billion, two hundred three million, two hundred twelve thousand, three hundred twenty-three".