523145003 has 2 divisors, whose sum is σ = 523145004. Its totient is φ = 523145002.

The previous prime is 523144981. The next prime is 523145017. The reversal of 523145003 is 300541325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523145003 - 2¹⁰ = 523143979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523145003.

It is not a weakly prime, because it can be changed into another prime (523145023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261572501 + 261572502.

It is an arithmetic number, because the mean of its divisors is an integer number (261572502).

Almost surely, 2^523145003 is an apocalyptic number.

523145003 is a deficient number, since it is larger than the sum of its proper divisors (1).

523145003 is an equidigital number, since it uses as much as digits as its factorization.

523145003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 523145003 is about 22872.3633015917. The cubic root of 523145003 is about 805.7630731058.

Adding to 523145003 its reverse (300541325), we get a palindrome (823686328).

The spelling of 523145003 in words is "five hundred twenty-three million, one hundred forty-five thousand, three".