523515330512423 has 2 divisors, whose sum is σ = 523515330512424. Its totient is φ = 523515330512422.

The previous prime is 523515330512333. The next prime is 523515330512431. The reversal of 523515330512423 is 324215033515325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523515330512423 - 2⁴⁸ = 242040353801767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523515330512123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261757665256211 + 261757665256212.

It is an arithmetic number, because the mean of its divisors is an integer number (261757665256212).

Almost surely, 2^{523515330512423} is an apocalyptic number.

523515330512423 is a deficient number, since it is larger than the sum of its proper divisors (1).

523515330512423 is an equidigital number, since it uses as much as digits as its factorization.

523515330512423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 44.

The spelling of 523515330512423 in words is "five hundred twenty-three trillion, five hundred fifteen billion, three hundred thirty million, five hundred twelve thousand, four hundred twenty-three".