523020861870343 has 2 divisors, whose sum is σ = 523020861870344. Its totient is φ = 523020861870342.

The previous prime is 523020861870319. The next prime is 523020861870449. The reversal of 523020861870343 is 343078168020325.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523020861870343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523020861270343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261510430935171 + 261510430935172.

It is an arithmetic number, because the mean of its divisors is an integer number (261510430935172).

Almost surely, 2^{523020861870343} is an apocalyptic number.

523020861870343 is a deficient number, since it is larger than the sum of its proper divisors (1).

523020861870343 is an equidigital number, since it uses as much as digits as its factorization.

523020861870343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 523020861870343 in words is "five hundred twenty-three trillion, twenty billion, eight hundred sixty-one million, eight hundred seventy thousand, three hundred forty-three".