872023 has 2 divisors, whose sum is σ = 872024. Its totient is φ = 872022.

The previous prime is 872017. The next prime is 872033. The reversal of 872023 is 320278.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872023 - 2¹⁷ = 740951 is a prime.

It is a super-2 number, since 2×872023² = 1520848225058, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 871985 and 872003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436011 + 436012.

It is an arithmetic number, because the mean of its divisors is an integer number (436012).

2⁸⁷²⁰²³ is an apocalyptic number.

872023 is a deficient number, since it is larger than the sum of its proper divisors (1).

872023 is an equidigital number, since it uses as much as digits as its factorization.

872023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 872023 is about 933.8217174600. The cubic root of 872023 is about 95.5379635804.

The spelling of 872023 in words is "eight hundred seventy-two thousand, twenty-three".