265812023 has 4 divisors (see below), whose sum is σ = 265889208. Its totient is φ = 265734840.

The previous prime is 265811993. The next prime is 265812031. The reversal of 265812023 is 320218562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265812023 - 2¹⁰ = 265810999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265812623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33173 + ... + 40398.

It is an arithmetic number, because the mean of its divisors is an integer number (66472302).

Almost surely, 2^265812023 is an apocalyptic number.

265812023 is a deficient number, since it is larger than the sum of its proper divisors (77185).

265812023 is an equidigital number, since it uses as much as digits as its factorization.

265812023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77184.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 265812023 is about 16303.7426071439. The cubic root of 265812023 is about 642.9712293441.

The spelling of 265812023 in words is "two hundred sixty-five million, eight hundred twelve thousand, twenty-three".