423331220131 has 8 divisors (see below), whose sum is σ = 425040812240. Its totient is φ = 421624701792.

The previous prime is 423331220063. The next prime is 423331220153. The reversal of 423331220131 is 131022133324.

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 423331220131 - 2³⁵ = 388971481763 is a prime.

It is a super-2 number, since 2×423331220131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423331220096 and 423331220105.

It is not an unprimeable number, because it can be changed into a prime (423331220231) 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, 492240 + ... + 1043533.

It is an arithmetic number, because the mean of its divisors is an integer number (53130101530).

Almost surely, 2^423331220131 is an apocalyptic number.

423331220131 is a deficient number, since it is larger than the sum of its proper divisors (1709592109).

423331220131 is a wasteful number, since it uses less digits than its factorization.

423331220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536885.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 423331220131 its reverse (131022133324), we get a palindrome (554353353455).

The spelling of 423331220131 in words is "four hundred twenty-three billion, three hundred thirty-one million, two hundred twenty thousand, one hundred thirty-one".