523384031 has 2 divisors, whose sum is σ = 523384032. Its totient is φ = 523384030.

The previous prime is 523383979. The next prime is 523384039. The reversal of 523384031 is 130483325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523384031 is a prime.

It is a super-2 number, since 2×523384031² = 547861687811617922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 523383985 and 523384003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523384039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261692015 + 261692016.

It is an arithmetic number, because the mean of its divisors is an integer number (261692016).

Almost surely, 2^523384031 is an apocalyptic number.

523384031 is a deficient number, since it is larger than the sum of its proper divisors (1).

523384031 is an equidigital number, since it uses as much as digits as its factorization.

523384031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 523384031 is about 22877.5879628950. The cubic root of 523384031 is about 805.8857737011.

The spelling of 523384031 in words is "five hundred twenty-three million, three hundred eighty-four thousand, thirty-one".