2123210093 has 2 divisors, whose sum is σ = 2123210094. Its totient is φ = 2123210092.

The previous prime is 2123210071. The next prime is 2123210113. The reversal of 2123210093 is 3900123212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1955585284 + 167624809 = 44222^2 + 12947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123210093 - 2²⁴ = 2106432877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123210693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061605046 + 1061605047.

It is an arithmetic number, because the mean of its divisors is an integer number (1061605047).

Almost surely, 2^2123210093 is an apocalyptic number.

It is an amenable number.

2123210093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123210093 is an equidigital number, since it uses as much as digits as its factorization.

2123210093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2123210093 is about 46078.3039292898. The cubic root of 2123210093 is about 1285.2797249193.

The spelling of 2123210093 in words is "two billion, one hundred twenty-three million, two hundred ten thousand, ninety-three".