23121032142323 has 4 divisors (see below), whose sum is σ = 23121056250600. Its totient is φ = 23121008034048.

The previous prime is 23121032142293. The next prime is 23121032142331. The reversal of 23121032142323 is 32324123012132.

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

It is a cyclic number.

It is not a de Polignac number, because 23121032142323 - 2¹⁶ = 23121032076787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121032142223) 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, 10553273 + ... + 12554426.

It is an arithmetic number, because the mean of its divisors is an integer number (5780264062650).

Almost surely, 2^{23121032142323} is an apocalyptic number.

23121032142323 is a deficient number, since it is larger than the sum of its proper divisors (24108277).

23121032142323 is a wasteful number, since it uses less digits than its factorization.

23121032142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24108276.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 23121032142323 its reverse (32324123012132), we get a palindrome (55445155154455).

The spelling of 23121032142323 in words is "twenty-three trillion, one hundred twenty-one billion, thirty-two million, one hundred forty-two thousand, three hundred twenty-three".