23133022012011 has 4 divisors (see below), whose sum is σ = 30844029349352. Its totient is φ = 15422014674672.

The previous prime is 23133022011991. The next prime is 23133022012073. The reversal of 23133022012011 is 11021022033132.

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

It is not a de Polignac number, because 23133022012011 - 2⁹ = 23133022011499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133022012211) 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, 3855503668666 + ... + 3855503668671.

It is an arithmetic number, because the mean of its divisors is an integer number (7711007337338).

Almost surely, 2^{23133022012011} is an apocalyptic number.

23133022012011 is a deficient number, since it is larger than the sum of its proper divisors (7711007337341).

23133022012011 is an equidigital number, since it uses as much as digits as its factorization.

23133022012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711007337340.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23133022012011 its reverse (11021022033132), we get a palindrome (34154044045143).

The spelling of 23133022012011 in words is "twenty-three trillion, one hundred thirty-three billion, twenty-two million, twelve thousand, eleven".