263145023 has 8 divisors (see below), whose sum is σ = 278804592. Its totient is φ = 247505536.

The previous prime is 263145013. The next prime is 263145037. The reversal of 263145023 is 320541362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 263145023 - 2⁴ = 263145007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263144983 and 263145001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263145013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28361 + ... + 36477.

It is an arithmetic number, because the mean of its divisors is an integer number (34850574).

Almost surely, 2^263145023 is an apocalyptic number.

263145023 is a deficient number, since it is larger than the sum of its proper divisors (15659569).

263145023 is a wasteful number, since it uses less digits than its factorization.

263145023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 263145023 is about 16221.7453746507. The cubic root of 263145023 is about 640.8135998759.

Adding to 263145023 its reverse (320541362), we get a palindrome (583686385).

The spelling of 263145023 in words is "two hundred sixty-three million, one hundred forty-five thousand, twenty-three".