23132111011 has 16 divisors (see below), whose sum is σ = 24378361920. Its totient is φ = 21906339840.

The previous prime is 23132110973. The next prime is 23132111017. The reversal of 23132111011 is 11011123132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23132111011 - 2²⁹ = 22595240099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23132111017) 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, 2617981 + ... + 2626801.

It is an arithmetic number, because the mean of its divisors is an integer number (1523647620).

Almost surely, 2^23132111011 is an apocalyptic number.

23132111011 is a deficient number, since it is larger than the sum of its proper divisors (1246250909).

23132111011 is a wasteful number, since it uses less digits than its factorization.

23132111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9966.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 23132111011 its reverse (11011123132), we get a palindrome (34143234143).

The spelling of 23132111011 in words is "twenty-three billion, one hundred thirty-two million, one hundred eleven thousand, eleven".