2130123311233 has 6 divisors (see below), whose sum is σ = 2262795351686. Its totient is φ = 2004821939712.

The previous prime is 2130123311219. The next prime is 2130123311249. The reversal of 2130123311233 is 3321133210312.

It can be written as a sum of positive squares in 3 ways, for example, as 784866649329 + 1345256661904 = 885927^2 + 1159852^2 .

It is not a de Polignac number, because 2130123311233 - 2³⁷ = 1992684357761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130123311198 and 2130123311207.

It is not an unprimeable number, because it can be changed into a prime (2130123311203) 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 5 ways as a sum of consecutive naturals, for example, 3685334160 + ... + 3685334737.

Almost surely, 2^{2130123311233} is an apocalyptic number.

It is an amenable number.

2130123311233 is a deficient number, since it is larger than the sum of its proper divisors (132672040453).

2130123311233 is an equidigital number, since it uses as much as digits as its factorization.

2130123311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370668931 (or 7370668914 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2130123311233 its reverse (3321133210312), we get a palindrome (5451256521545).

The spelling of 2130123311233 in words is "two trillion, one hundred thirty billion, one hundred twenty-three million, three hundred eleven thousand, two hundred thirty-three".