423404111001 has 16 divisors (see below), whose sum is σ = 566007252480. Its totient is φ = 281535340800.

The previous prime is 423404110991. The next prime is 423404111003. The reversal of 423404111001 is 100111404324.

It is not a de Polignac number, because 423404111001 - 2¹³ = 423404102809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423404111003) 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, 20504440 + ... + 20525078.

It is an arithmetic number, because the mean of its divisors is an integer number (35375453280).

Almost surely, 2^423404111001 is an apocalyptic number.

It is an amenable number.

423404111001 is a deficient number, since it is larger than the sum of its proper divisors (142603141479).

423404111001 is a wasteful number, since it uses less digits than its factorization.

423404111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38096.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 423404111001 its reverse (100111404324), we get a palindrome (523515515325).

The spelling of 423404111001 in words is "four hundred twenty-three billion, four hundred four million, one hundred eleven thousand, one".