503423231313187 has 2 divisors, whose sum is σ = 503423231313188. Its totient is φ = 503423231313186.

The previous prime is 503423231313139. The next prime is 503423231313241. The reversal of 503423231313187 is 781313132324305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503423231313187 - 2³⁵ = 503388871574819 is a prime.

It is not a weakly prime, because it can be changed into another prime (503423231613187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251711615656593 + 251711615656594.

It is an arithmetic number, because the mean of its divisors is an integer number (251711615656594).

Almost surely, 2^{503423231313187} is an apocalyptic number.

503423231313187 is a deficient number, since it is larger than the sum of its proper divisors (1).

503423231313187 is an equidigital number, since it uses as much as digits as its factorization.

503423231313187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 503423231313187 in words is "five hundred three trillion, four hundred twenty-three billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred eighty-seven".