263353742323 has 8 divisors (see below), whose sum is σ = 301068254048. Its totient is φ = 225662367744.

The previous prime is 263353742273. The next prime is 263353742359. The reversal of 263353742323 is 323247353362.

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 263353742323 - 2⁹ = 263353741811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263353742323.

It is not an unprimeable number, because it can be changed into a prime (263353742423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5759886 + ... + 5805427.

It is an arithmetic number, because the mean of its divisors is an integer number (37633531756).

Almost surely, 2^263353742323 is an apocalyptic number.

263353742323 is a deficient number, since it is larger than the sum of its proper divisors (37714511725).

263353742323 is a wasteful number, since it uses less digits than its factorization.

263353742323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11568573.

The product of its digits is 1632960, while the sum is 43.

The spelling of 263353742323 in words is "two hundred sixty-three billion, three hundred fifty-three million, seven hundred forty-two thousand, three hundred twenty-three".