423070161 has 4 divisors (see below), whose sum is σ = 564093552. Its totient is φ = 282046772.

The previous prime is 423070127. The next prime is 423070181. The reversal of 423070161 is 161070324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423070161 - 2⁶ = 423070097 is a prime.

It is a super-2 number, since 2×423070161² = 357976722257131842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423070121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70511691 + ... + 70511696.

It is an arithmetic number, because the mean of its divisors is an integer number (141023388).

Almost surely, 2^423070161 is an apocalyptic number.

It is an amenable number.

423070161 is a deficient number, since it is larger than the sum of its proper divisors (141023391).

423070161 is a wasteful number, since it uses less digits than its factorization.

423070161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141023390.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 423070161 is about 20568.6694027591. The cubic root of 423070161 is about 750.7075757943.

The spelling of 423070161 in words is "four hundred twenty-three million, seventy thousand, one hundred sixty-one".