23214223511 has 4 divisors (see below), whose sum is σ = 23318323392. Its totient is φ = 23110123632.

The previous prime is 23214223507. The next prime is 23214223517. The reversal of 23214223511 is 11532241232.

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

It is a cyclic number.

It is not a de Polignac number, because 23214223511 - 2² = 23214223507 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 (23214223517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52049606 + ... + 52050051.

It is an arithmetic number, because the mean of its divisors is an integer number (5829580848).

Almost surely, 2^23214223511 is an apocalyptic number.

23214223511 is a deficient number, since it is larger than the sum of its proper divisors (104099881).

23214223511 is a wasteful number, since it uses less digits than its factorization.

23214223511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104099880.

The product of its digits is 2880, while the sum is 26.

Adding to 23214223511 its reverse (11532241232), we get a palindrome (34746464743).

The spelling of 23214223511 in words is "twenty-three billion, two hundred fourteen million, two hundred twenty-three thousand, five hundred eleven".