265204023 has 24 divisors (see below), whose sum is σ = 417491712. Its totient is φ = 149277744.

The previous prime is 265204021. The next prime is 265204117. The reversal of 265204023 is 320402562.

It is not a de Polignac number, because 265204023 - 2¹ = 265204021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265203984 and 265204002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265204021) 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, 3615 + ... + 23312.

It is an arithmetic number, because the mean of its divisors is an integer number (17395488).

Almost surely, 2^265204023 is an apocalyptic number.

265204023 is a deficient number, since it is larger than the sum of its proper divisors (152287689).

265204023 is a wasteful number, since it uses less digits than its factorization.

265204023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27011 (or 27004 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 265204023 is about 16285.0859070500. The cubic root of 265204023 is about 642.4806258194.

Adding to 265204023 its reverse (320402562), we get a palindrome (585606585).

The spelling of 265204023 in words is "two hundred sixty-five million, two hundred four thousand, twenty-three".