263463031623 has 8 divisors (see below), whose sum is σ = 383218955136. Its totient is φ = 159674564600.

The previous prime is 263463031609. The next prime is 263463031651. The reversal of 263463031623 is 326130364362.

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 263463031623 - 2⁸ = 263463031367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263463035623) 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, 3991864083 + ... + 3991864148.

It is an arithmetic number, because the mean of its divisors is an integer number (47902369392).

Almost surely, 2^263463031623 is an apocalyptic number.

263463031623 is a deficient number, since it is larger than the sum of its proper divisors (119755923513).

263463031623 is a wasteful number, since it uses less digits than its factorization.

263463031623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983728245.

The product of its (nonzero) digits is 279936, while the sum is 39.

Adding to 263463031623 its reverse (326130364362), we get a palindrome (589593395985).

The spelling of 263463031623 in words is "two hundred sixty-three billion, four hundred sixty-three million, thirty-one thousand, six hundred twenty-three".