232133123821 has 2 divisors, whose sum is σ = 232133123822. Its totient is φ = 232133123820.

The previous prime is 232133123797. The next prime is 232133123837. The reversal of 232133123821 is 128321331232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165059375625 + 67073748196 = 406275^2 + 258986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232133123821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232133103821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116066561910 + 116066561911.

It is an arithmetic number, because the mean of its divisors is an integer number (116066561911).

Almost surely, 2^232133123821 is an apocalyptic number.

It is an amenable number.

232133123821 is a deficient number, since it is larger than the sum of its proper divisors (1).

232133123821 is an equidigital number, since it uses as much as digits as its factorization.

232133123821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The spelling of 232133123821 in words is "two hundred thirty-two billion, one hundred thirty-three million, one hundred twenty-three thousand, eight hundred twenty-one".