23212301222031 has 4 divisors (see below), whose sum is σ = 30949734962712. Its totient is φ = 15474867481352.

The previous prime is 23212301222029. The next prime is 23212301222083. The reversal of 23212301222031 is 13022210321232.

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 23212301222031 - 2¹ = 23212301222029 is a prime.

It is a super-2 number, since 2×23212301222031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23212301221992 and 23212301222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212301202031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868716870336 + ... + 3868716870341.

It is an arithmetic number, because the mean of its divisors is an integer number (7737433740678).

Almost surely, 2^{23212301222031} is an apocalyptic number.

23212301222031 is a deficient number, since it is larger than the sum of its proper divisors (7737433740681).

23212301222031 is an equidigital number, since it uses as much as digits as its factorization.

23212301222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737433740680.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23212301222031 its reverse (13022210321232), we get a palindrome (36234511543263).

The spelling of 23212301222031 in words is "twenty-three trillion, two hundred twelve billion, three hundred one million, two hundred twenty-two thousand, thirty-one".