263455477223 has 4 divisors (see below), whose sum is σ = 263606283480. Its totient is φ = 263304670968.

The previous prime is 263455477213. The next prime is 263455477237. The reversal of 263455477223 is 322774554362.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263455477223 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 (263455477213) 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, 75400508 + ... + 75404001.

It is an arithmetic number, because the mean of its divisors is an integer number (65901570870).

Almost surely, 2^263455477223 is an apocalyptic number.

263455477223 is a deficient number, since it is larger than the sum of its proper divisors (150806257).

263455477223 is a wasteful number, since it uses less digits than its factorization.

263455477223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150806256.

The product of its digits is 8467200, while the sum is 50.

The spelling of 263455477223 in words is "two hundred sixty-three billion, four hundred fifty-five million, four hundred seventy-seven thousand, two hundred twenty-three".