20123212232233 has 16 divisors (see below), whose sum is σ = 22710244233600. Its totient is φ = 17662491911680.

The previous prime is 20123212232231. The next prime is 20123212232257. The reversal of 20123212232233 is 33223221232102.

It is not a de Polignac number, because 20123212232233 - 2¹ = 20123212232231 is a prime.

It is a super-3 number, since 3×20123212232233³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20123212232231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10233828 + ... + 12040666.

It is an arithmetic number, because the mean of its divisors is an integer number (1419390264600).

Almost surely, 2^{20123212232233} is an apocalyptic number.

It is an amenable number.

20123212232233 is a deficient number, since it is larger than the sum of its proper divisors (2587032001367).

20123212232233 is a wasteful number, since it uses less digits than its factorization.

20123212232233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841792.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20123212232233 its reverse (33223221232102), we get a palindrome (53346433464335).

The spelling of 20123212232233 in words is "twenty trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-two thousand, two hundred thirty-three".