423908904434 has 16 divisors (see below), whose sum is σ = 649538634528. Its totient is φ = 207443758752.

The previous prime is 423908904371. The next prime is 423908904457. The reversal of 423908904434 is 434409809324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11915267 + ... + 11950790.

It is an arithmetic number, because the mean of its divisors is an integer number (40596164658).

Almost surely, 2^423908904434 is an apocalyptic number.

423908904434 is a deficient number, since it is larger than the sum of its proper divisors (225629730094).

423908904434 is a wasteful number, since it uses less digits than its factorization.

423908904434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23866249.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 423908904434 in words is "four hundred twenty-three billion, nine hundred eight million, nine hundred four thousand, four hundred thirty-four".