423420040122 has 16 divisors (see below), whose sum is σ = 847103031072. Its totient is φ = 141096188240.

The previous prime is 423420040067. The next prime is 423420040151. The reversal of 423420040122 is 221040024324.

It is a junction number, because it is equal to n+sod(n) for n = 423420040092 and 423420040101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10935348 + ... + 10973999.

It is an arithmetic number, because the mean of its divisors is an integer number (52943939442).

Almost surely, 2^423420040122 is an apocalyptic number.

423420040122 is an abundant number, since it is smaller than the sum of its proper divisors (423682990950).

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

423420040122 is a wasteful number, since it uses less digits than its factorization.

423420040122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21912573.

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

Adding to 423420040122 its reverse (221040024324), we get a palindrome (644460064446).

The spelling of 423420040122 in words is "four hundred twenty-three billion, four hundred twenty million, forty thousand, one hundred twenty-two".