23503171109 has 16 divisors (see below), whose sum is σ = 27530430336. Its totient is φ = 19826419200.

The previous prime is 23503171103. The next prime is 23503171123. The reversal of 23503171109 is 90117130532.

It is a cyclic number.

It is not a de Polignac number, because 23503171109 - 2¹² = 23503167013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23503171103) 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, 871832 + ... + 898385.

It is an arithmetic number, because the mean of its divisors is an integer number (1720651896).

Almost surely, 2^23503171109 is an apocalyptic number.

It is an amenable number.

23503171109 is a deficient number, since it is larger than the sum of its proper divisors (4027259227).

23503171109 is a wasteful number, since it uses less digits than its factorization.

23503171109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770316.

The product of its (nonzero) digits is 5670, while the sum is 32.

The spelling of 23503171109 in words is "twenty-three billion, five hundred three million, one hundred seventy-one thousand, one hundred nine".