232320128479477 has 2 divisors, whose sum is σ = 232320128479478. Its totient is φ = 232320128479476.

The previous prime is 232320128479433. The next prime is 232320128479487. The reversal of 232320128479477 is 774974821023232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167464149350436 + 64855979129041 = 12940794^2 + 8053321^2 .

It is a cyclic number.

It is not a de Polignac number, because 232320128479477 - 2²³ = 232320120090869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232320128479487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116160064239738 + 116160064239739.

It is an arithmetic number, because the mean of its divisors is an integer number (116160064239739).

Almost surely, 2^{232320128479477} is an apocalyptic number.

It is an amenable number.

232320128479477 is a deficient number, since it is larger than the sum of its proper divisors (1).

232320128479477 is an equidigital number, since it uses as much as digits as its factorization.

232320128479477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56899584, while the sum is 61.

The spelling of 232320128479477 in words is "two hundred thirty-two trillion, three hundred twenty billion, one hundred twenty-eight million, four hundred seventy-nine thousand, four hundred seventy-seven".