523251343 has 2 divisors, whose sum is σ = 523251344. Its totient is φ = 523251342.

The previous prime is 523251331. The next prime is 523251367. The reversal of 523251343 is 343152325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523251343 - 2²¹ = 521154191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523851343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261625671 + 261625672.

It is an arithmetic number, because the mean of its divisors is an integer number (261625672).

Almost surely, 2^523251343 is an apocalyptic number.

523251343 is a deficient number, since it is larger than the sum of its proper divisors (1).

523251343 is an equidigital number, since it uses as much as digits as its factorization.

523251343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 28.

The square root of 523251343 is about 22874.6878230065. The cubic root of 523251343 is about 805.8176653887.

The spelling of 523251343 in words is "five hundred twenty-three million, two hundred fifty-one thousand, three hundred forty-three".