523507854473 has 4 divisors (see below), whose sum is σ = 530881204608. Its totient is φ = 516134504340.

The previous prime is 523507854437. The next prime is 523507854533. The reversal of 523507854473 is 374458705325.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523507854473 - 2⁶ = 523507854409 is a prime.

It is a super-2 number, since 2×523507854473² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523507850473) 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, 3686674961 + ... + 3686675102.

It is an arithmetic number, because the mean of its divisors is an integer number (132720301152).

Almost surely, 2^523507854473 is an apocalyptic number.

It is an amenable number.

523507854473 is a deficient number, since it is larger than the sum of its proper divisors (7373350135).

523507854473 is an equidigital number, since it uses as much as digits as its factorization.

523507854473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373350134.

The product of its (nonzero) digits is 14112000, while the sum is 53.

The spelling of 523507854473 in words is "five hundred twenty-three billion, five hundred seven million, eight hundred fifty-four thousand, four hundred seventy-three".