2123021030329 has 2 divisors, whose sum is σ = 2123021030330. Its totient is φ = 2123021030328.

The previous prime is 2123021030321. The next prime is 2123021030341. The reversal of 2123021030329 is 9230301203212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2115104835600 + 7916194729 = 1454340^2 + 88973^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123021030329 - 2³ = 2123021030321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123021030297 and 2123021030306.

It is not a weakly prime, because it can be changed into another prime (2123021030321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061510515164 + 1061510515165.

It is an arithmetic number, because the mean of its divisors is an integer number (1061510515165).

Almost surely, 2^{2123021030329} is an apocalyptic number.

It is an amenable number.

2123021030329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123021030329 is an equidigital number, since it uses as much as digits as its factorization.

2123021030329 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 28.

The spelling of 2123021030329 in words is "two trillion, one hundred twenty-three billion, twenty-one million, thirty thousand, three hundred twenty-nine".