2123124631 has 2 divisors, whose sum is σ = 2123124632. Its totient is φ = 2123124630.

The previous prime is 2123124593. The next prime is 2123124643. The reversal of 2123124631 is 1364213212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123124631 - 2¹³ = 2123116439 is a prime.

It is a super-2 number, since 2×2123124631² = 9015316397517772322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123124596 and 2123124605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123194631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061562315 + 1061562316.

It is an arithmetic number, because the mean of its divisors is an integer number (1061562316).

Almost surely, 2^2123124631 is an apocalyptic number.

2123124631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123124631 is an equidigital number, since it uses as much as digits as its factorization.

2123124631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 2123124631 is about 46077.3765637759. The cubic root of 2123124631 is about 1285.2624799546.

Adding to 2123124631 its reverse (1364213212), we get a palindrome (3487337843).

The spelling of 2123124631 in words is "two billion, one hundred twenty-three million, one hundred twenty-four thousand, six hundred thirty-one".