2312123101 has 2 divisors, whose sum is σ = 2312123102. Its totient is φ = 2312123100.

The previous prime is 2312123059. The next prime is 2312123111. The reversal of 2312123101 is 1013212132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2266236025 + 45887076 = 47605^2 + 6774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312123101 - 2⁷ = 2312122973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312123111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156061550 + 1156061551.

It is an arithmetic number, because the mean of its divisors is an integer number (1156061551).

Almost surely, 2^2312123101 is an apocalyptic number.

It is an amenable number.

2312123101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312123101 is an equidigital number, since it uses as much as digits as its factorization.

2312123101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2312123101 is about 48084.5411852916. The cubic root of 2312123101 is about 1322.3212715827.

Adding to 2312123101 its reverse (1013212132), we get a palindrome (3325335233).

The spelling of 2312123101 in words is "two billion, three hundred twelve million, one hundred twenty-three thousand, one hundred one".