523045147 has 2 divisors, whose sum is σ = 523045148. Its totient is φ = 523045146.

The previous prime is 523045123. The next prime is 523045177. The reversal of 523045147 is 741540325.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523045147 is a prime.

It is not a weakly prime, because it can be changed into another prime (523045177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261522573 + 261522574.

It is an arithmetic number, because the mean of its divisors is an integer number (261522574).

Almost surely, 2^523045147 is an apocalyptic number.

523045147 is a deficient number, since it is larger than the sum of its proper divisors (1).

523045147 is an equidigital number, since it uses as much as digits as its factorization.

523045147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 523045147 is about 22870.1803009946. The cubic root of 523045147 is about 805.7118028099.

The spelling of 523045147 in words is "five hundred twenty-three million, forty-five thousand, one hundred forty-seven".