423321431010042 has 128 divisors (see below), whose sum is σ = 942770065121280. Its totient is φ = 126168422688000.

The previous prime is 423321431010041. The next prime is 423321431010089. The reversal of 423321431010042 is 240010134123324.

It is a junction number, because it is equal to n+sod(n) for n = 423321431009991 and 423321431010009.

It is not an unprimeable number, because it can be changed into a prime (423321431010041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98339692 + ... + 102554072.

It is an arithmetic number, because the mean of its divisors is an integer number (7365391133760).

Almost surely, 2^{423321431010042} is an apocalyptic number.

423321431010042 is an abundant number, since it is smaller than the sum of its proper divisors (519448634111238).

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

423321431010042 is a wasteful number, since it uses less digits than its factorization.

423321431010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215140.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 423321431010042 its reverse (240010134123324), we get a palindrome (663331565133366).

The spelling of 423321431010042 in words is "four hundred twenty-three trillion, three hundred twenty-one billion, four hundred thirty-one million, ten thousand, forty-two".