523056403 has 2 divisors, whose sum is σ = 523056404. Its totient is φ = 523056402.

The previous prime is 523056371. The next prime is 523056419. The reversal of 523056403 is 304650325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523056403 - 2⁵ = 523056371 is a prime.

It is not a weakly prime, because it can be changed into another prime (523056463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261528201 + 261528202.

It is an arithmetic number, because the mean of its divisors is an integer number (261528202).

Almost surely, 2^523056403 is an apocalyptic number.

523056403 is a deficient number, since it is larger than the sum of its proper divisors (1).

523056403 is an equidigital number, since it uses as much as digits as its factorization.

523056403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 523056403 is about 22870.4263843069. The cubic root of 523056403 is about 805.7175824429.

The spelling of 523056403 in words is "five hundred twenty-three million, fifty-six thousand, four hundred three".