23212310129 has 2 divisors, whose sum is σ = 23212310130. Its totient is φ = 23212310128.

The previous prime is 23212310087. The next prime is 23212310131. The reversal of 23212310129 is 92101321232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16601807104 + 6610503025 = 128848^2 + 81305^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212310129 - 2⁸ = 23212309873 is a prime.

It is a super-2 number, since 2×23212310129² (a number of 22 digits) contains 22 as substring.

Together with 23212310131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23212310098 and 23212310107.

It is not a weakly prime, because it can be changed into another prime (23212310189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606155064 + 11606155065.

It is an arithmetic number, because the mean of its divisors is an integer number (11606155065).

Almost surely, 2^23212310129 is an apocalyptic number.

It is an amenable number.

23212310129 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212310129 is an equidigital number, since it uses as much as digits as its factorization.

23212310129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 23212310129 in words is "twenty-three billion, two hundred twelve million, three hundred ten thousand, one hundred twenty-nine".