263042103 has 8 divisors (see below), whose sum is σ = 352296448. Its totient is φ = 174574584.

The previous prime is 263042089. The next prime is 263042107. The reversal of 263042103 is 301240362.

It is a happy number.

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

It is not a de Polignac number, because 263042103 - 2⁸ = 263041847 is a prime.

It is a super-2 number, since 2×263042103² = 138382295901325218, which contains 22 as substring.

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 263042103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263042107) 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, 195925 + ... + 197262.

It is an arithmetic number, because the mean of its divisors is an integer number (44037056).

Almost surely, 2^263042103 is an apocalyptic number.

263042103 is a deficient number, since it is larger than the sum of its proper divisors (89254345).

263042103 is a wasteful number, since it uses less digits than its factorization.

263042103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393413.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 263042103 is about 16218.5727793786. The cubic root of 263042103 is about 640.7300450169.

Adding to 263042103 its reverse (301240362), we get a palindrome (564282465).

The spelling of 263042103 in words is "two hundred sixty-three million, forty-two thousand, one hundred three".