523491458387 has 2 divisors, whose sum is σ = 523491458388. Its totient is φ = 523491458386.

The previous prime is 523491458381. The next prime is 523491458461. The reversal of 523491458387 is 783854194325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523491458387 - 2³⁰ = 522417716563 is a prime.

It is not a weakly prime, because it can be changed into another prime (523491458381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261745729193 + 261745729194.

It is an arithmetic number, because the mean of its divisors is an integer number (261745729194).

Almost surely, 2^523491458387 is an apocalyptic number.

523491458387 is a deficient number, since it is larger than the sum of its proper divisors (1).

523491458387 is an equidigital number, since it uses as much as digits as its factorization.

523491458387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 59.

The spelling of 523491458387 in words is "five hundred twenty-three billion, four hundred ninety-one million, four hundred fifty-eight thousand, three hundred eighty-seven".