523074973 has 4 divisors (see below), whose sum is σ = 524441088. Its totient is φ = 521708860.

The previous prime is 523074971. The next prime is 523075067. The reversal of 523074973 is 379470325.

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 523074973 - 2¹ = 523074971 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523074971) 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, 682483 + ... + 683248.

It is an arithmetic number, because the mean of its divisors is an integer number (131110272).

Almost surely, 2^523074973 is an apocalyptic number.

It is an amenable number.

523074973 is a deficient number, since it is larger than the sum of its proper divisors (1366115).

523074973 is a wasteful number, since it uses less digits than its factorization.

523074973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366114.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 523074973 is about 22870.8323635149. The cubic root of 523074973 is about 805.7271174238.

The spelling of 523074973 in words is "five hundred twenty-three million, seventy-four thousand, nine hundred seventy-three".