423131303142 has 32 divisors (see below), whose sum is σ = 965705080800. Its totient is φ = 137231773344.

The previous prime is 423131303123. The next prime is 423131303173. The reversal of 423131303142 is 241303131324.

It is a happy number.

423131303142 is a `hidden beast` number, since 4 + 2 + 31 + 313 + 0 + 314 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105886717 + ... + 105890712.

It is an arithmetic number, because the mean of its divisors is an integer number (30178283775).

Almost surely, 2^423131303142 is an apocalyptic number.

423131303142 is an abundant number, since it is smaller than the sum of its proper divisors (542573777658).

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

423131303142 is a wasteful number, since it uses less digits than its factorization.

423131303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211777477 (or 211777471 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 423131303142 its reverse (241303131324), we get a palindrome (664434434466).

The spelling of 423131303142 in words is "four hundred twenty-three billion, one hundred thirty-one million, three hundred three thousand, one hundred forty-two".