523042188497 has 2 divisors, whose sum is σ = 523042188498. Its totient is φ = 523042188496.

The previous prime is 523042188481. The next prime is 523042188499. The reversal of 523042188497 is 794881240325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419695369921 + 103346818576 = 647839^2 + 321476^2 .

It is a cyclic number.

It is not a de Polignac number, because 523042188497 - 2⁴ = 523042188481 is a prime.

Together with 523042188499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (523042188499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261521094248 + 261521094249.

It is an arithmetic number, because the mean of its divisors is an integer number (261521094249).

Almost surely, 2^523042188497 is an apocalyptic number.

It is an amenable number.

523042188497 is a deficient number, since it is larger than the sum of its proper divisors (1).

523042188497 is an equidigital number, since it uses as much as digits as its factorization.

523042188497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 523042188497 in words is "five hundred twenty-three billion, forty-two million, one hundred eighty-eight thousand, four hundred ninety-seven".