423203404004 has 48 divisors (see below), whose sum is σ = 787247911296. Its totient is φ = 198799507200.

The previous prime is 423203403989. The next prime is 423203404007. The reversal of 423203404004 is 400404302324.

It is a super-2 number, since 2×423203404004² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423203404007) 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, 78074 + ... + 923310.

It is an arithmetic number, because the mean of its divisors is an integer number (16400998152).

Almost surely, 2^423203404004 is an apocalyptic number.

It is an amenable number.

423203404004 is a deficient number, since it is larger than the sum of its proper divisors (364044507292).

423203404004 is a wasteful number, since it uses less digits than its factorization.

423203404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845396 (or 845394 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 423203404004 its reverse (400404302324), we get a palindrome (823607706328).

The spelling of 423203404004 in words is "four hundred twenty-three billion, two hundred three million, four hundred four thousand, four".