23234420222111 has 16 divisors (see below), whose sum is σ = 26928401863680. Its totient is φ = 19634149604160.

The previous prime is 23234420222081. The next prime is 23234420222113. The reversal of 23234420222111 is 11122202443232.

It is a de Polignac number, because none of the positive numbers 2^k-23234420222111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23234420222113) 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, 16859750 + ... + 18185708.

It is an arithmetic number, because the mean of its divisors is an integer number (1683025116480).

Almost surely, 2^{23234420222111} is an apocalyptic number.

23234420222111 is a deficient number, since it is larger than the sum of its proper divisors (3693981641569).

23234420222111 is a wasteful number, since it uses less digits than its factorization.

23234420222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361294.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 23234420222111 its reverse (11122202443232), we get a palindrome (34356622665343).

The spelling of 23234420222111 in words is "twenty-three trillion, two hundred thirty-four billion, four hundred twenty million, two hundred twenty-two thousand, one hundred eleven".