263231326 has 8 divisors (see below), whose sum is σ = 394917624. Its totient is φ = 131592120.

The previous prime is 263231299. The next prime is 263231329. The reversal of 263231326 is 623132362.

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

It is a junction number, because it is equal to n+sod(n) for n = 263231294 and 263231303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263231329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11061 + ... + 25471.

It is an arithmetic number, because the mean of its divisors is an integer number (49364703).

Almost surely, 2^263231326 is an apocalyptic number.

263231326 is a deficient number, since it is larger than the sum of its proper divisors (131686298).

263231326 is a wasteful number, since it uses less digits than its factorization.

263231326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23546.

The product of its digits is 7776, while the sum is 28.

The square root of 263231326 is about 16224.4052587452. The cubic root of 263231326 is about 640.8836475510.

Adding to 263231326 its reverse (623132362), we get a palindrome (886363688).

The spelling of 263231326 in words is "two hundred sixty-three million, two hundred thirty-one thousand, three hundred twenty-six".