23120553021009 has 16 divisors (see below), whose sum is σ = 31445703349632. Its totient is φ = 15105231060608.

The previous prime is 23120553020977. The next prime is 23120553021011. The reversal of 23120553021009 is 90012035502132.

It is a cyclic number.

It is not a de Polignac number, because 23120553021009 - 2⁵ = 23120553020977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23120553021409) 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, 84701709 + ... + 84974234.

It is an arithmetic number, because the mean of its divisors is an integer number (1965356459352).

Almost surely, 2^{23120553021009} is an apocalyptic number.

It is an amenable number.

23120553021009 is a deficient number, since it is larger than the sum of its proper divisors (8325150328623).

23120553021009 is a wasteful number, since it uses less digits than its factorization.

23120553021009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169676856.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 23120553021009 in words is "twenty-three trillion, one hundred twenty billion, five hundred fifty-three million, twenty-one thousand, nine".