423236111011 has 32 divisors (see below), whose sum is σ = 490736309760. Its totient is φ = 357534777600.

The previous prime is 423236111003. The next prime is 423236111017. The reversal of 423236111011 is 110111632324.

It is not a de Polignac number, because 423236111011 - 2³ = 423236111003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423236111017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180791701 + ... + 180794041.

It is an arithmetic number, because the mean of its divisors is an integer number (15335509680).

Almost surely, 2^423236111011 is an apocalyptic number.

423236111011 is a deficient number, since it is larger than the sum of its proper divisors (67500198749).

423236111011 is a wasteful number, since it uses less digits than its factorization.

423236111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 423236111011 its reverse (110111632324), we get a palindrome (533347743335).

The spelling of 423236111011 in words is "four hundred twenty-three billion, two hundred thirty-six million, one hundred eleven thousand, eleven".