523144437 has 16 divisors (see below), whose sum is σ = 721305600. Its totient is φ = 336913200.

The previous prime is 523144429. The next prime is 523144441. The reversal of 523144437 is 734441325.

It is not a de Polignac number, because 523144437 - 2³ = 523144429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523144398 and 523144407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523144477) 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, 51012 + ... + 60402.

It is an arithmetic number, because the mean of its divisors is an integer number (45081600).

Almost surely, 2^523144437 is an apocalyptic number.

It is an amenable number.

523144437 is a deficient number, since it is larger than the sum of its proper divisors (198161163).

523144437 is a wasteful number, since it uses less digits than its factorization.

523144437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024.

The product of its digits is 40320, while the sum is 33.

The square root of 523144437 is about 22872.3509285775. The cubic root of 523144437 is about 805.7627825158.

The spelling of 523144437 in words is "five hundred twenty-three million, one hundred forty-four thousand, four hundred thirty-seven".