423122401140042 has 32 divisors (see below), whose sum is σ = 851942243880000. Its totient is φ = 140091266661248.

The previous prime is 423122401140041. The next prime is 423122401140077. The reversal of 423122401140042 is 240041104221324.

It is a junction number, because it is equal to n+sod(n) for n = 423122401139991 and 423122401140009.

It is not an unprimeable number, because it can be changed into a prime (423122401140041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37681678 + ... + 47604134.

It is an arithmetic number, because the mean of its divisors is an integer number (26623195121250).

Almost surely, 2^{423122401140042} is an apocalyptic number.

423122401140042 is an abundant number, since it is smaller than the sum of its proper divisors (428819842739958).

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

423122401140042 is a wasteful number, since it uses less digits than its factorization.

423122401140042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970310.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 423122401140042 its reverse (240041104221324), we get a palindrome (663163505361366).

The spelling of 423122401140042 in words is "four hundred twenty-three trillion, one hundred twenty-two billion, four hundred one million, one hundred forty thousand, forty-two".