263453043 has 16 divisors (see below), whose sum is σ = 402082560. Its totient is φ = 150308256.

The previous prime is 263453041. The next prime is 263453051. The reversal of 263453043 is 340354362.

It is not a de Polignac number, because 263453043 - 2¹ = 263453041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263453043.

It is not an unprimeable number, because it can be changed into a prime (263453041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4321 + ... + 23357.

It is an arithmetic number, because the mean of its divisors is an integer number (25130160).

Almost surely, 2^263453043 is an apocalyptic number.

263453043 is a deficient number, since it is larger than the sum of its proper divisors (138629517).

263453043 is a wasteful number, since it uses less digits than its factorization.

263453043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19706.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 263453043 is about 16231.2366441994. The cubic root of 263453043 is about 641.0635335921.

The spelling of 263453043 in words is "two hundred sixty-three million, four hundred fifty-three thousand, forty-three".