23121069371 has 4 divisors (see below), whose sum is σ = 23142340992. Its totient is φ = 23099797752.

The previous prime is 23121069359. The next prime is 23121069449. The reversal of 23121069371 is 17396012132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23121069371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121069331) 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, 10634180 + ... + 10636353.

It is an arithmetic number, because the mean of its divisors is an integer number (5785585248).

Almost surely, 2^23121069371 is an apocalyptic number.

23121069371 is a deficient number, since it is larger than the sum of its proper divisors (21271621).

23121069371 is a wasteful number, since it uses less digits than its factorization.

23121069371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21271620.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 23121069371 in words is "twenty-three billion, one hundred twenty-one million, sixty-nine thousand, three hundred seventy-one".