427043523 has 8 divisors (see below), whose sum is σ = 571900608. Its totient is φ = 283441064.

The previous prime is 427043509. The next prime is 427043581. The reversal of 427043523 is 325340724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427043523 - 2¹² = 427039427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427043423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312861 + ... + 314222.

It is an arithmetic number, because the mean of its divisors is an integer number (71487576).

Almost surely, 2^427043523 is an apocalyptic number.

427043523 is a deficient number, since it is larger than the sum of its proper divisors (144857085).

427043523 is a wasteful number, since it uses less digits than its factorization.

427043523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627313.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 427043523 is about 20665.0314057347. The cubic root of 427043523 is about 753.0504049968.

The spelling of 427043523 in words is "four hundred twenty-seven million, forty-three thousand, five hundred twenty-three".