23434212011 has 4 divisors (see below), whose sum is σ = 26781956592. Its totient is φ = 20086467432.

The previous prime is 23434211981. The next prime is 23434212073. The reversal of 23434212011 is 11021243432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23434212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23434211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673872280 + ... + 1673872293.

It is an arithmetic number, because the mean of its divisors is an integer number (6695489148).

Almost surely, 2^23434212011 is an apocalyptic number.

23434212011 is a deficient number, since it is larger than the sum of its proper divisors (3347744581).

23434212011 is an equidigital number, since it uses as much as digits as its factorization.

23434212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347744580.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23434212011 its reverse (11021243432), we get a palindrome (34455455443).

It can be divided in two parts, 2343421 and 2011, that added together give a palindrome (2345432).

The spelling of 23434212011 in words is "twenty-three billion, four hundred thirty-four million, two hundred twelve thousand, eleven".