423122131 has 8 divisors (see below), whose sum is σ = 442036224. Its totient is φ = 404537160.

The previous prime is 423122123. The next prime is 423122137. The reversal of 423122131 is 131221324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423122131 - 2³ = 423122123 is a prime.

It is a super-2 number, since 2×423122131² = 358064675483962322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423122099 and 423122108.

It is not an unprimeable number, because it can be changed into a prime (423122137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79651 + ... + 84796.

It is an arithmetic number, because the mean of its divisors is an integer number (55254528).

Almost surely, 2^423122131 is an apocalyptic number.

423122131 is a deficient number, since it is larger than the sum of its proper divisors (18914093).

423122131 is a wasteful number, since it uses less digits than its factorization.

423122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164561.

The product of its digits is 288, while the sum is 19.

The square root of 423122131 is about 20569.9326931325. The cubic root of 423122131 is about 750.7383135449.

Adding to 423122131 its reverse (131221324), we get a palindrome (554343455).

It can be divided in two parts, 4231 and 22131, that added together give a palindrome (26362).

The spelling of 423122131 in words is "four hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-one".