23040451011 has 4 divisors (see below), whose sum is σ = 30720601352. Its totient is φ = 15360300672.

The previous prime is 23040451009. The next prime is 23040451051. The reversal of 23040451011 is 11015404032.

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

It is not a de Polignac number, because 23040451011 - 2¹ = 23040451009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23040451051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3840075166 + ... + 3840075171.

It is an arithmetic number, because the mean of its divisors is an integer number (7680150338).

Almost surely, 2^23040451011 is an apocalyptic number.

23040451011 is a deficient number, since it is larger than the sum of its proper divisors (7680150341).

23040451011 is an equidigital number, since it uses as much as digits as its factorization.

23040451011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680150340.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 23040451011 its reverse (11015404032), we get a palindrome (34055855043).

The spelling of 23040451011 in words is "twenty-three billion, forty million, four hundred fifty-one thousand, eleven".