23120011211 has 16 divisors (see below), whose sum is σ = 25401454848. Its totient is φ = 20868943200.

The previous prime is 23120011163. The next prime is 23120011241. The reversal of 23120011211 is 11211002132.

It is a cyclic number.

It is not a de Polignac number, because 23120011211 - 2⁶ = 23120011147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23120011241) 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, 1079396 + ... + 1100606.

It is an arithmetic number, because the mean of its divisors is an integer number (1587590928).

Almost surely, 2^23120011211 is an apocalyptic number.

23120011211 is a deficient number, since it is larger than the sum of its proper divisors (2281443637).

23120011211 is a wasteful number, since it uses less digits than its factorization.

23120011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21922.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23120011211 its reverse (11211002132), we get a palindrome (34331013343).

The spelling of 23120011211 in words is "twenty-three billion, one hundred twenty million, eleven thousand, two hundred eleven".