235423202324521 has 2 divisors, whose sum is σ = 235423202324522. Its totient is φ = 235423202324520.

The previous prime is 235423202324489. The next prime is 235423202324579. The reversal of 235423202324521 is 125423202324532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128245115615296 + 107178086709225 = 11324536^2 + 10352685^2 .

It is a cyclic number.

It is not a de Polignac number, because 235423202324521 - 2⁵ = 235423202324489 is a prime.

It is not a weakly prime, because it can be changed into another prime (235423202384521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117711601162260 + 117711601162261.

It is an arithmetic number, because the mean of its divisors is an integer number (117711601162261).

Almost surely, 2^{235423202324521} is an apocalyptic number.

It is an amenable number.

235423202324521 is a deficient number, since it is larger than the sum of its proper divisors (1).

235423202324521 is an equidigital number, since it uses as much as digits as its factorization.

235423202324521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 235423202324521 in words is "two hundred thirty-five trillion, four hundred twenty-three billion, two hundred two million, three hundred twenty-four thousand, five hundred twenty-one".