523378935 has 16 divisors (see below), whose sum is σ = 930451680. Its totient is φ = 279135360.

The previous prime is 523378853. The next prime is 523378937. The reversal of 523378935 is 539873325.

523378935 is a `hidden beast` number, since 523 + 37 + 8 + 93 + 5 = 666.

It is not a de Polignac number, because 523378935 - 2²⁷ = 389161207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523378937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1938306 + ... + 1938575.

It is an arithmetic number, because the mean of its divisors is an integer number (58153230).

Almost surely, 2^523378935 is an apocalyptic number.

523378935 is a deficient number, since it is larger than the sum of its proper divisors (407072745).

523378935 is a wasteful number, since it uses less digits than its factorization.

523378935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876895 (or 3876889 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 523378935 is about 22877.4765872462. The cubic root of 523378935 is about 805.8831581537.

The spelling of 523378935 in words is "five hundred twenty-three million, three hundred seventy-eight thousand, nine hundred thirty-five".