523497358023 has 4 divisors (see below), whose sum is σ = 697996477368. Its totient is φ = 348998238680.

The previous prime is 523497358003. The next prime is 523497358099. The reversal of 523497358023 is 320853794325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523497358023 - 2⁸ = 523497357767 is a prime.

It is a super-2 number, since 2×523497358023² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523497358003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87249559668 + ... + 87249559673.

It is an arithmetic number, because the mean of its divisors is an integer number (174499119342).

Almost surely, 2^523497358023 is an apocalyptic number.

523497358023 is a deficient number, since it is larger than the sum of its proper divisors (174499119345).

523497358023 is a wasteful number, since it uses less digits than its factorization.

523497358023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174499119344.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 523497358023 in words is "five hundred twenty-three billion, four hundred ninety-seven million, three hundred fifty-eight thousand, twenty-three".