2143212623 has 2 divisors, whose sum is σ = 2143212624. Its totient is φ = 2143212622.

The previous prime is 2143212523. The next prime is 2143212691. The reversal of 2143212623 is 3262123412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143212623 - 2¹⁸ = 2142950479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143212592 and 2143212601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143212523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071606311 + 1071606312.

It is an arithmetic number, because the mean of its divisors is an integer number (1071606312).

Almost surely, 2^2143212623 is an apocalyptic number.

2143212623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143212623 is an equidigital number, since it uses as much as digits as its factorization.

2143212623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 2143212623 is about 46294.8444537834. The cubic root of 2143212623 is about 1289.3032759942.

The spelling of 2143212623 in words is "two billion, one hundred forty-three million, two hundred twelve thousand, six hundred twenty-three".