23331221232123 has 32 divisors (see below), whose sum is σ = 37982072688640. Its totient is φ = 12441921576480.

The previous prime is 23331221232089. The next prime is 23331221232131. The reversal of 23331221232123 is 32123212213332.

It is not a de Polignac number, because 23331221232123 - 2¹² = 23331221228027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23331221230123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436348183 + ... + 436401648.

It is an arithmetic number, because the mean of its divisors is an integer number (1186939771520).

Almost surely, 2^{23331221232123} is an apocalyptic number.

23331221232123 is a deficient number, since it is larger than the sum of its proper divisors (14650851456517).

23331221232123 is a wasteful number, since it uses less digits than its factorization.

23331221232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872749927.

The product of its digits is 15552, while the sum is 30.

Adding to 23331221232123 its reverse (32123212213332), we get a palindrome (55454433445455).

The spelling of 23331221232123 in words is "twenty-three trillion, three hundred thirty-one billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred twenty-three".