233213200109 has 2 divisors, whose sum is σ = 233213200110. Its totient is φ = 233213200108.

The previous prime is 233213200093. The next prime is 233213200111. The reversal of 233213200109 is 901002312332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199264032100 + 33949168009 = 446390^2 + 184253^2 .

It is a cyclic number.

It is not a de Polignac number, because 233213200109 - 2⁴ = 233213200093 is a prime.

It is a super-2 number, since 2×233213200109² (a number of 24 digits) contains 22 as substring.

Together with 233213200111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233213220109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116606600054 + 116606600055.

It is an arithmetic number, because the mean of its divisors is an integer number (116606600055).

Almost surely, 2^233213200109 is an apocalyptic number.

It is an amenable number.

233213200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

233213200109 is an equidigital number, since it uses as much as digits as its factorization.

233213200109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 233213200109 in words is "two hundred thirty-three billion, two hundred thirteen million, two hundred thousand, one hundred nine".