22001232200123 has 16 divisors (see below), whose sum is σ = 25413412314240. Its totient is φ = 18824417539200.

The previous prime is 22001232200083. The next prime is 22001232200141. The reversal of 22001232200123 is 32100223210022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22001232200123 - 2¹⁶ = 22001232134587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22001232200095 and 22001232200104.

It is not an unprimeable number, because it can be changed into a prime (22001232203123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23746808 + ... + 24655898.

It is an arithmetic number, because the mean of its divisors is an integer number (1588338269640).

Almost surely, 2^{22001232200123} is an apocalyptic number.

22001232200123 is a deficient number, since it is larger than the sum of its proper divisors (3412180114117).

22001232200123 is a wasteful number, since it uses less digits than its factorization.

22001232200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038538.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22001232200123 its reverse (32100223210022), we get a palindrome (54101455410145).

The spelling of 22001232200123 in words is "twenty-two trillion, one billion, two hundred thirty-two million, two hundred thousand, one hundred twenty-three".