523894141 has 4 divisors (see below), whose sum is σ = 540793984. Its totient is φ = 506994300.

The previous prime is 523894073. The next prime is 523894229. The reversal of 523894141 is 141498325.

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 523894141 - 2⁷ = 523894013 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523894141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523892141) 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, 8449875 + ... + 8449936.

It is an arithmetic number, because the mean of its divisors is an integer number (135198496).

Almost surely, 2^523894141 is an apocalyptic number.

It is an amenable number.

523894141 is a deficient number, since it is larger than the sum of its proper divisors (16899843).

523894141 is a wasteful number, since it uses less digits than its factorization.

523894141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16899842.

The product of its digits is 34560, while the sum is 37.

The square root of 523894141 is about 22888.7339317840. The cubic root of 523894141 is about 806.1475043394.

The spelling of 523894141 in words is "five hundred twenty-three million, eight hundred ninety-four thousand, one hundred forty-one".