23120212321331 has 2 divisors, whose sum is σ = 23120212321332. Its totient is φ = 23120212321330.

The previous prime is 23120212321319. The next prime is 23120212321379. The reversal of 23120212321331 is 13312321202132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120212321331 is a prime.

It is a super-2 number, since 2×23120212321331² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23120212321331.

It is not a weakly prime, because it can be changed into another prime (23120212321831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560106160665 + 11560106160666.

It is an arithmetic number, because the mean of its divisors is an integer number (11560106160666).

Almost surely, 2^{23120212321331} is an apocalyptic number.

23120212321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120212321331 is an equidigital number, since it uses as much as digits as its factorization.

23120212321331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 23120212321331 its reverse (13312321202132), we get a palindrome (36432533523463).

The spelling of 23120212321331 in words is "twenty-three trillion, one hundred twenty billion, two hundred twelve million, three hundred twenty-one thousand, three hundred thirty-one".