123034332221 has 2 divisors, whose sum is σ = 123034332222. Its totient is φ = 123034332220.

The previous prime is 123034332217. The next prime is 123034332233. The reversal of 123034332221 is 122233430321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86442468121 + 36591864100 = 294011^2 + 191290^2 .

It is a cyclic number.

It is not a de Polignac number, because 123034332221 - 2² = 123034332217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123034337221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61517166110 + 61517166111.

It is an arithmetic number, because the mean of its divisors is an integer number (61517166111).

Almost surely, 2^123034332221 is an apocalyptic number.

It is an amenable number.

123034332221 is a deficient number, since it is larger than the sum of its proper divisors (1).

123034332221 is an equidigital number, since it uses as much as digits as its factorization.

123034332221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 123034332221 its reverse (122233430321), we get a palindrome (245267762542).

The spelling of 123034332221 in words is "one hundred twenty-three billion, thirty-four million, three hundred thirty-two thousand, two hundred twenty-one".