23209060121 has 4 divisors (see below), whose sum is σ = 24994372452. Its totient is φ = 21423747792.

The previous prime is 23209060103. The next prime is 23209060123. The reversal of 23209060121 is 12106090232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11824170121 + 11384890000 = 108739^2 + 106700^2 .

It is a cyclic number.

It is not a de Polignac number, because 23209060121 - 2³⁰ = 22135318297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23209060123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892656146 + ... + 892656171.

It is an arithmetic number, because the mean of its divisors is an integer number (6248593113).

Almost surely, 2^23209060121 is an apocalyptic number.

It is an amenable number.

23209060121 is a deficient number, since it is larger than the sum of its proper divisors (1785312331).

23209060121 is a wasteful number, since it uses less digits than its factorization.

23209060121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785312330.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 23209060121 in words is "twenty-three billion, two hundred nine million, sixty thousand, one hundred twenty-one".