423040211204 has 18 divisors (see below), whose sum is σ = 801648685530. Its totient is φ = 195249327936.

The previous prime is 423040211101. The next prime is 423040211207. The reversal of 423040211204 is 402112040324.

It can be written as a sum of positive squares in 3 ways, for example, as 13900881604 + 409139329600 = 117902^2 + 639640^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423040211204.

It is not an unprimeable number, because it can be changed into a prime (423040211207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312898889 + ... + 312900240.

It is an arithmetic number, because the mean of its divisors is an integer number (44536038085).

Almost surely, 2^423040211204 is an apocalyptic number.

It is an amenable number.

423040211204 is a deficient number, since it is larger than the sum of its proper divisors (378608474326).

423040211204 is a wasteful number, since it uses less digits than its factorization.

423040211204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625799159 (or 625799144 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 423040211204 its reverse (402112040324), we get a palindrome (825152251528).

The spelling of 423040211204 in words is "four hundred twenty-three billion, forty million, two hundred eleven thousand, two hundred four".