423346161 has 32 divisors (see below), whose sum is σ = 657957888. Its totient is φ = 237119040.

The previous prime is 423346159. The next prime is 423346177. The reversal of 423346161 is 161643324.

It is not a de Polignac number, because 423346161 - 2¹ = 423346159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423346141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720910 + ... + 721496.

It is an arithmetic number, because the mean of its divisors is an integer number (20561184).

Almost surely, 2^423346161 is an apocalyptic number.

It is an amenable number.

423346161 is a deficient number, since it is larger than the sum of its proper divisors (234611727).

423346161 is a wasteful number, since it uses less digits than its factorization.

423346161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 10368, while the sum is 30.

The square root of 423346161 is about 20575.3775421011. The cubic root of 423346161 is about 750.8707876916.

Adding to 423346161 its reverse (161643324), we get a palindrome (584989485).

The spelling of 423346161 in words is "four hundred twenty-three million, three hundred forty-six thousand, one hundred sixty-one".