423563402234 has 24 divisors (see below), whose sum is σ = 744716731968. Its totient is φ = 180141463320.

The previous prime is 423563402209. The next prime is 423563402263. The reversal of 423563402234 is 432204365324.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16483634 + ... + 16509309.

It is an arithmetic number, because the mean of its divisors is an integer number (31029863832).

Almost surely, 2^423563402234 is an apocalyptic number.

423563402234 is a deficient number, since it is larger than the sum of its proper divisors (321153329734).

423563402234 is a wasteful number, since it uses less digits than its factorization.

423563402234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32993090 (or 32993083 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 423563402234 its reverse (432204365324), we get a palindrome (855767767558).

The spelling of 423563402234 in words is "four hundred twenty-three billion, five hundred sixty-three million, four hundred two thousand, two hundred thirty-four".