210030323093 has 2 divisors, whose sum is σ = 210030323094. Its totient is φ = 210030323092.

The previous prime is 210030323003. The next prime is 210030323101. The reversal of 210030323093 is 390323030012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111357692209 + 98672630884 = 333703^2 + 314122^2 .

It is a cyclic number.

It is not a de Polignac number, because 210030323093 - 2⁸ = 210030322837 is a prime.

It is a super-2 number, since 2×210030323093² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210030323003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105015161546 + 105015161547.

It is an arithmetic number, because the mean of its divisors is an integer number (105015161547).

Almost surely, 2^210030323093 is an apocalyptic number.

It is an amenable number.

210030323093 is a deficient number, since it is larger than the sum of its proper divisors (1).

210030323093 is an equidigital number, since it uses as much as digits as its factorization.

210030323093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 26.

The spelling of 210030323093 in words is "two hundred ten billion, thirty million, three hundred twenty-three thousand, ninety-three".