523426512627437 has 4 divisors (see below), whose sum is σ = 524001075210816. Its totient is φ = 522851950044060.

The previous prime is 523426512627419. The next prime is 523426512627439. The reversal of 523426512627437 is 734726215624325.

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 523426512627437 - 2¹² = 523426512623341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523426512627439) 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, 287281290323 + ... + 287281292144.

It is an arithmetic number, because the mean of its divisors is an integer number (131000268802704).

Almost surely, 2^{523426512627437} is an apocalyptic number.

It is an amenable number.

523426512627437 is a deficient number, since it is larger than the sum of its proper divisors (574562583379).

523426512627437 is an equidigital number, since it uses as much as digits as its factorization.

523426512627437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574562583378.

The product of its digits is 101606400, while the sum is 59.

The spelling of 523426512627437 in words is "five hundred twenty-three trillion, four hundred twenty-six billion, five hundred twelve million, six hundred twenty-seven thousand, four hundred thirty-seven".