23120553021011 has 2 divisors, whose sum is σ = 23120553021012. Its totient is φ = 23120553021010.

The previous prime is 23120553020977. The next prime is 23120553021073. The reversal of 23120553021011 is 11012035502132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120553021011 is a prime.

It is not a weakly prime, because it can be changed into another prime (23120553021211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560276510505 + 11560276510506.

It is an arithmetic number, because the mean of its divisors is an integer number (11560276510506).

Almost surely, 2^{23120553021011} is an apocalyptic number.

23120553021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120553021011 is an equidigital number, since it uses as much as digits as its factorization.

23120553021011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 23120553021011 its reverse (11012035502132), we get a palindrome (34132588523143).

The spelling of 23120553021011 in words is "twenty-three trillion, one hundred twenty billion, five hundred fifty-three million, twenty-one thousand, eleven".