2123438892293 has 2 divisors, whose sum is σ = 2123438892294. Its totient is φ = 2123438892292.

The previous prime is 2123438892269. The next prime is 2123438892313. The reversal of 2123438892293 is 3922988343212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1934819796484 + 188619095809 = 1390978^2 + 434303^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123438892293 - 2³⁰ = 2122365150469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123438892593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061719446146 + 1061719446147.

It is an arithmetic number, because the mean of its divisors is an integer number (1061719446147).

Almost surely, 2^{2123438892293} is an apocalyptic number.

It is an amenable number.

2123438892293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123438892293 is an equidigital number, since it uses as much as digits as its factorization.

2123438892293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 56.

The spelling of 2123438892293 in words is "two trillion, one hundred twenty-three billion, four hundred thirty-eight million, eight hundred ninety-two thousand, two hundred ninety-three".