423021222101242 has 16 divisors (see below), whose sum is σ = 634775927221440. Its totient is φ = 211429247821792.

The previous prime is 423021222101239. The next prime is 423021222101327. The reversal of 423021222101242 is 242101222120324.

It is a self number, because there is not a number n which added to its sum of digits gives 423021222101242.

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, 711645309 + ... + 712239487.

It is an arithmetic number, because the mean of its divisors is an integer number (39673495451340).

Almost surely, 2^{423021222101242} is an apocalyptic number.

423021222101242 is a deficient number, since it is larger than the sum of its proper divisors (211754705120198).

423021222101242 is a wasteful number, since it uses less digits than its factorization.

423021222101242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730517.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 423021222101242 its reverse (242101222120324), we get a palindrome (665122444221566).

The spelling of 423021222101242 in words is "four hundred twenty-three trillion, twenty-one billion, two hundred twenty-two million, one hundred one thousand, two hundred forty-two".