65872023 has 24 divisors (see below), whose sum is σ = 106616448. Its totient is φ = 36002736.

The previous prime is 65872007. The next prime is 65872033. The reversal of 65872023 is 32027856.

It is not a de Polignac number, because 65872023 - 2⁴ = 65872007 is a prime.

It is a super-2 number, since 2×65872023² = 8678246828225058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65872033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6361 + ... + 13122.

It is an arithmetic number, because the mean of its divisors is an integer number (4442352).

Almost surely, 2^65872023 is an apocalyptic number.

65872023 is a deficient number, since it is larger than the sum of its proper divisors (40744425).

65872023 is a wasteful number, since it uses less digits than its factorization.

65872023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19523 (or 19516 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 65872023 is about 8116.1581428654. The cubic root of 65872023 is about 403.8626281143.

Adding to 65872023 its reverse (32027856), we get a palindrome (97899879).

The spelling of 65872023 in words is "sixty-five million, eight hundred seventy-two thousand, twenty-three".