263231450434 has 16 divisors (see below), whose sum is σ = 404232048000. Its totient is φ = 128490500880.

The previous prime is 263231450431. The next prime is 263231450527. The reversal of 263231450434 is 434054132362.

It is a junction number, because it is equal to n+sod(n) for n = 263231450393 and 263231450402.

It is not an unprimeable number, because it can be changed into a prime (263231450431) 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, 593677 + ... + 937504.

It is an arithmetic number, because the mean of its divisors is an integer number (25264503000).

Almost surely, 2^263231450434 is an apocalyptic number.

263231450434 is a deficient number, since it is larger than the sum of its proper divisors (141000597566).

263231450434 is a wasteful number, since it uses less digits than its factorization.

263231450434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533225.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 263231450434 its reverse (434054132362), we get a palindrome (697285582796).

The spelling of 263231450434 in words is "two hundred sixty-three billion, two hundred thirty-one million, four hundred fifty thousand, four hundred thirty-four".