523003453 has 32 divisors (see below), whose sum is σ = 652354560. Its totient is φ = 409086720.

The previous prime is 523003363. The next prime is 523003457. The reversal of 523003453 is 354300325.

It is a happy number.

It is not a de Polignac number, because 523003453 - 2¹³ = 522995261 is a prime.

It is a super-2 number, since 2×523003453² = 547065223699846418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523003457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 915658 + ... + 916228.

It is an arithmetic number, because the mean of its divisors is an integer number (20386080).

Almost surely, 2^523003453 is an apocalyptic number.

It is an amenable number.

523003453 is a deficient number, since it is larger than the sum of its proper divisors (129351107).

523003453 is a wasteful number, since it uses less digits than its factorization.

523003453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 523003453 is about 22869.2687465078. The cubic root of 523003453 is about 805.6903934148.

Adding to 523003453 its reverse (354300325), we get a palindrome (877303778).

The spelling of 523003453 in words is "five hundred twenty-three million, three thousand, four hundred fifty-three".