232021109 has 2 divisors, whose sum is σ = 232021110. Its totient is φ = 232021108.

The previous prime is 232021087. The next prime is 232021123. The reversal of 232021109 is 901120232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165842884 + 66178225 = 12878^2 + 8135^2 .

It is a cyclic number.

It is not a de Polignac number, because 232021109 - 2¹² = 232017013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232021169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116010554 + 116010555.

It is an arithmetic number, because the mean of its divisors is an integer number (116010555).

Almost surely, 2^232021109 is an apocalyptic number.

It is an amenable number.

232021109 is a deficient number, since it is larger than the sum of its proper divisors (1).

232021109 is an equidigital number, since it uses as much as digits as its factorization.

232021109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 232021109 is about 15232.2391328393. The cubic root of 232021109 is about 614.4820006455.

The spelling of 232021109 in words is "two hundred thirty-two million, twenty-one thousand, one hundred nine".