23112131123011 has 8 divisors (see below), whose sum is σ = 27967620854880. Its totient is φ = 18645080569728.

The previous prime is 23112131122961. The next prime is 23112131123033. The reversal of 23112131123011 is 11032113121132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23112131123011 - 2¹³ = 23112131114819 is a prime.

It is a super-2 number, since 2×23112131123011² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23112131123051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97109794516 + ... + 97109794753.

It is an arithmetic number, because the mean of its divisors is an integer number (3495952606860).

Almost surely, 2^{23112131123011} is an apocalyptic number.

23112131123011 is a deficient number, since it is larger than the sum of its proper divisors (4855489731869).

23112131123011 is a wasteful number, since it uses less digits than its factorization.

23112131123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194219589293.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 23112131123011 its reverse (11032113121132), we get a palindrome (34144244244143).

The spelling of 23112131123011 in words is "twenty-three trillion, one hundred twelve billion, one hundred thirty-one million, one hundred twenty-three thousand, eleven".