23123350211 has 4 divisors (see below), whose sum is σ = 24902069472. Its totient is φ = 21344630952.

The previous prime is 23123350193. The next prime is 23123350247. The reversal of 23123350211 is 11205332132.

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 23123350211 - 2³⁰ = 22049608387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123350111) 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, 889359611 + ... + 889359636.

It is an arithmetic number, because the mean of its divisors is an integer number (6225517368).

Almost surely, 2^23123350211 is an apocalyptic number.

23123350211 is a deficient number, since it is larger than the sum of its proper divisors (1778719261).

23123350211 is a wasteful number, since it uses less digits than its factorization.

23123350211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778719260.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 23123350211 its reverse (11205332132), we get a palindrome (34328682343).

The spelling of 23123350211 in words is "twenty-three billion, one hundred twenty-three million, three hundred fifty thousand, two hundred eleven".