2129648042023 has 2 divisors, whose sum is σ = 2129648042024. Its totient is φ = 2129648042022.

The previous prime is 2129648041943. The next prime is 2129648042033. The reversal of 2129648042023 is 3202408469212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2129648042023 - 2¹³ = 2129648033831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2129648042033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064824021011 + 1064824021012.

It is an arithmetic number, because the mean of its divisors is an integer number (1064824021012).

Almost surely, 2^{2129648042023} is an apocalyptic number.

2129648042023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129648042023 is an equidigital number, since it uses as much as digits as its factorization.

2129648042023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 2129648042023 in words is "two trillion, one hundred twenty-nine billion, six hundred forty-eight million, forty-two thousand, twenty-three".