287230072323 has 16 divisors (see below), whose sum is σ = 388358288640. Its totient is φ = 188803461024.

The previous prime is 287230072309. The next prime is 287230072357. The reversal of 287230072323 is 323270032782.

It is not a de Polignac number, because 287230072323 - 2⁴ = 287230072307 is a prime.

It is a super-2 number, since 2×287230072323² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (287230072303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021408 + ... + 1271901.

It is an arithmetic number, because the mean of its divisors is an integer number (24272393040).

Almost surely, 2^287230072323 is an apocalyptic number.

287230072323 is a deficient number, since it is larger than the sum of its proper divisors (101128216317).

287230072323 is a wasteful number, since it uses less digits than its factorization.

287230072323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293898.

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 287230072323 in words is "two hundred eighty-seven billion, two hundred thirty million, seventy-two thousand, three hundred twenty-three".