423340432305 has 64 divisors (see below), whose sum is σ = 788192391168. Its totient is φ = 190024623360.

The previous prime is 423340432297. The next prime is 423340432321. The reversal of 423340432305 is 503234043324.

It is not a de Polignac number, because 423340432305 - 2³ = 423340432297 is a prime.

It is a super-2 number, since 2×423340432305² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2091139 + ... + 2284631.

It is an arithmetic number, because the mean of its divisors is an integer number (12315506112).

Almost surely, 2^423340432305 is an apocalyptic number.

It is an amenable number.

423340432305 is a deficient number, since it is larger than the sum of its proper divisors (364851958863).

423340432305 is a wasteful number, since it uses less digits than its factorization.

423340432305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193886.

The product of its (nonzero) digits is 103680, while the sum is 33.

Adding to 423340432305 its reverse (503234043324), we get a palindrome (926574475629).

The spelling of 423340432305 in words is "four hundred twenty-three billion, three hundred forty million, four hundred thirty-two thousand, three hundred five".