423111431442 has 16 divisors (see below), whose sum is σ = 967111843392. Its totient is φ = 120888980400.

The previous prime is 423111431437. The next prime is 423111431453. The reversal of 423111431442 is 244134111324.

It is a happy number.

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, 5037040809 + ... + 5037040892.

It is an arithmetic number, because the mean of its divisors is an integer number (60444490212).

Almost surely, 2^423111431442 is an apocalyptic number.

423111431442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423111431442 is an abundant number, since it is smaller than the sum of its proper divisors (544000411950).

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

423111431442 is a wasteful number, since it uses less digits than its factorization.

423111431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10074081713.

The product of its digits is 9216, while the sum is 30.

Adding to 423111431442 its reverse (244134111324), we get a palindrome (667245542766).

The spelling of 423111431442 in words is "four hundred twenty-three billion, one hundred eleven million, four hundred thirty-one thousand, four hundred forty-two".