423040120422 has 64 divisors (see below), whose sum is σ = 954689255424. Its totient is φ = 124247045120.

The previous prime is 423040120421. The next prime is 423040120427. The reversal of 423040120422 is 224021040324.

It is a super-2 number, since 2×423040120422² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423040120392 and 423040120401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423040120421) 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, 1808079 + ... + 2028602.

It is an arithmetic number, because the mean of its divisors is an integer number (14917019616).

Almost surely, 2^423040120422 is an apocalyptic number.

423040120422 is an abundant number, since it is smaller than the sum of its proper divisors (531649135002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423040120422 is a wasteful number, since it uses less digits than its factorization.

423040120422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836773.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 423040120422 its reverse (224021040324), we get a palindrome (647061160746).

The spelling of 423040120422 in words is "four hundred twenty-three billion, forty million, one hundred twenty thousand, four hundred twenty-two".