23012122232321 has 4 divisors (see below), whose sum is σ = 23012213710932. Its totient is φ = 23012030753712.

The previous prime is 23012122232311. The next prime is 23012122232353. The reversal of 23012122232321 is 12323222121032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15902859889921 + 7109262342400 = 3987839^2 + 2666320^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012122232321 - 2⁶ = 23012122232257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23012122232311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45360926 + ... + 45865431.

It is an arithmetic number, because the mean of its divisors is an integer number (5753053427733).

Almost surely, 2^{23012122232321} is an apocalyptic number.

It is an amenable number.

23012122232321 is a deficient number, since it is larger than the sum of its proper divisors (91478611).

23012122232321 is an equidigital number, since it uses as much as digits as its factorization.

23012122232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91478610.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23012122232321 its reverse (12323222121032), we get a palindrome (35335344353353).

The spelling of 23012122232321 in words is "twenty-three trillion, twelve billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred twenty-one".