423004121143 has 4 divisors (see below), whose sum is σ = 445267495960. Its totient is φ = 400740746328.

The previous prime is 423004121053. The next prime is 423004121173. The reversal of 423004121143 is 341121400324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423004121143 - 2²¹ = 423002023991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423004121173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11131687380 + ... + 11131687417.

It is an arithmetic number, because the mean of its divisors is an integer number (111316873990).

Almost surely, 2^423004121143 is an apocalyptic number.

423004121143 is a deficient number, since it is larger than the sum of its proper divisors (22263374817).

423004121143 is a wasteful number, since it uses less digits than its factorization.

423004121143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22263374816.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 423004121143 its reverse (341121400324), we get a palindrome (764125521467).

The spelling of 423004121143 in words is "four hundred twenty-three billion, four million, one hundred twenty-one thousand, one hundred forty-three".