523144322 has 4 divisors (see below), whose sum is σ = 784716486. Its totient is φ = 261572160.

The previous prime is 523144289. The next prime is 523144333. The reversal of 523144322 is 223441325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 491996761 + 31147561 = 22181^2 + 5581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 523144291 and 523144300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130786079 + ... + 130786082.

Almost surely, 2^523144322 is an apocalyptic number.

523144322 is a deficient number, since it is larger than the sum of its proper divisors (261572164).

523144322 is a wasteful number, since it uses less digits than its factorization.

523144322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261572163.

The product of its digits is 5760, while the sum is 26.

The square root of 523144322 is about 22872.3484146250. The cubic root of 523144322 is about 805.7627234737.

Adding to 523144322 its reverse (223441325), we get a palindrome (746585647).

The spelling of 523144322 in words is "five hundred twenty-three million, one hundred forty-four thousand, three hundred twenty-two".