423433021242 has 64 divisors (see below), whose sum is σ = 1055997471744. Its totient is φ = 109965469440.

The previous prime is 423433021237. The next prime is 423433021247. The reversal of 423433021242 is 242120334324.

It is an interprime number because it is at equal distance from previous prime (423433021237) and next prime (423433021247).

It is not an unprimeable number, because it can be changed into a prime (423433021247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3044473 + ... + 3180515.

It is an arithmetic number, because the mean of its divisors is an integer number (16499960496).

Almost surely, 2^423433021242 is an apocalyptic number.

423433021242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423433021242 is an abundant number, since it is smaller than the sum of its proper divisors (632564450502).

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

423433021242 is a wasteful number, since it uses less digits than its factorization.

423433021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142803.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 423433021242 its reverse (242120334324), we get a palindrome (665553355566).

The spelling of 423433021242 in words is "four hundred twenty-three billion, four hundred thirty-three million, twenty-one thousand, two hundred forty-two".