2142312404123 has 2 divisors, whose sum is σ = 2142312404124. Its totient is φ = 2142312404122.

The previous prime is 2142312404101. The next prime is 2142312404137. The reversal of 2142312404123 is 3214042132412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142312404123 - 2⁸ = 2142312403867 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142312401123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071156202061 + 1071156202062.

It is an arithmetic number, because the mean of its divisors is an integer number (1071156202062).

Almost surely, 2^{2142312404123} is an apocalyptic number.

2142312404123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142312404123 is an equidigital number, since it uses as much as digits as its factorization.

2142312404123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2142312404123 its reverse (3214042132412), we get a palindrome (5356354536535).

The spelling of 2142312404123 in words is "two trillion, one hundred forty-two billion, three hundred twelve million, four hundred four thousand, one hundred twenty-three".