2162406440123 has 2 divisors, whose sum is σ = 2162406440124. Its totient is φ = 2162406440122.

The previous prime is 2162406440087. The next prime is 2162406440141. The reversal of 2162406440123 is 3210446042612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2162406440123 - 2⁸ = 2162406439867 is a prime.

It is a super-2 number, since 2×2162406440123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2162406440143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081203220061 + 1081203220062.

It is an arithmetic number, because the mean of its divisors is an integer number (1081203220062).

Almost surely, 2^{2162406440123} is an apocalyptic number.

2162406440123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162406440123 is an equidigital number, since it uses as much as digits as its factorization.

2162406440123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 2162406440123 in words is "two trillion, one hundred sixty-two billion, four hundred six million, four hundred forty thousand, one hundred twenty-three".