1043263263 has 24 divisors (see below), whose sum is σ = 1619889840. Its totient is φ = 595499520.

The previous prime is 1043263241. The next prime is 1043263337. The reversal of 1043263263 is 3623623401.

It is not a de Polignac number, because 1043263263 - 2⁸ = 1043263007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043263263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043263223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152623 + ... + 159311.

It is an arithmetic number, because the mean of its divisors is an integer number (67495410).

Almost surely, 2^1043263263 is an apocalyptic number.

1043263263 is a deficient number, since it is larger than the sum of its proper divisors (576626577).

1043263263 is a wasteful number, since it uses less digits than its factorization.

1043263263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767 (or 7760 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 1043263263 is about 32299.5861118993. The cubic root of 1043263263 is about 1014.2179786895.

Adding to 1043263263 its reverse (3623623401), we get a palindrome (4666886664).

The spelling of 1043263263 in words is "one billion, forty-three million, two hundred sixty-three thousand, two hundred sixty-three".