287704496323 has 2 divisors, whose sum is σ = 287704496324. Its totient is φ = 287704496322.

The previous prime is 287704496273. The next prime is 287704496341. The reversal of 287704496323 is 323694407782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 287704496323 - 2¹³ = 287704488131 is a prime.

It is a super-2 number, since 2×287704496323² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (287704496353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143852248161 + 143852248162.

It is an arithmetic number, because the mean of its divisors is an integer number (143852248162).

Almost surely, 2^287704496323 is an apocalyptic number.

287704496323 is a deficient number, since it is larger than the sum of its proper divisors (1).

287704496323 is an equidigital number, since it uses as much as digits as its factorization.

287704496323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 287704496323 in words is "two hundred eighty-seven billion, seven hundred four million, four hundred ninety-six thousand, three hundred twenty-three".