2123021031293 has 2 divisors, whose sum is σ = 2123021031294. Its totient is φ = 2123021031292.

The previous prime is 2123021031259. The next prime is 2123021031379. The reversal of 2123021031293 is 3921301203212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2121281557444 + 1739473849 = 1456462^2 + 41707^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123021031293 - 2³⁴ = 2105841162109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123021033293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061510515646 + 1061510515647.

It is an arithmetic number, because the mean of its divisors is an integer number (1061510515647).

Almost surely, 2^{2123021031293} is an apocalyptic number.

It is an amenable number.

2123021031293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123021031293 is an equidigital number, since it uses as much as digits as its factorization.

2123021031293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 2123021031293 in words is "two trillion, one hundred twenty-three billion, twenty-one million, thirty-one thousand, two hundred ninety-three".