423420111530243 has 16 divisors (see below), whose sum is σ = 428180130201600. Its totient is φ = 418678359738240.

The previous prime is 423420111530237. The next prime is 423420111530327. The reversal of 423420111530243 is 342035111024324.

It is a cyclic number.

It is not a de Polignac number, because 423420111530243 - 2³⁰ = 423419037788419 is a prime.

It is a super-2 number, since 2×423420111530243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423420111530743) 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, 190450238 + ... + 192660668.

It is an arithmetic number, because the mean of its divisors is an integer number (26761258137600).

Almost surely, 2^{423420111530243} is an apocalyptic number.

423420111530243 is a deficient number, since it is larger than the sum of its proper divisors (4760018671357).

423420111530243 is a wasteful number, since it uses less digits than its factorization.

423420111530243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214562.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 423420111530243 its reverse (342035111024324), we get a palindrome (765455222554567).

The spelling of 423420111530243 in words is "four hundred twenty-three trillion, four hundred twenty billion, one hundred eleven million, five hundred thirty thousand, two hundred forty-three".