23154131208 has 128 divisors (see below), whose sum is σ = 63045319680. Its totient is φ = 7043850240.

The previous prime is 23154131207. The next prime is 23154131213. The reversal of 23154131208 is 80213145132.

It is a super-2 number, since 2×23154131208² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23154131207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26829385 + ... + 26830247.

It is an arithmetic number, because the mean of its divisors is an integer number (492541560).

Almost surely, 2^23154131208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23154131208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31522659840).

23154131208 is an abundant number, since it is smaller than the sum of its proper divisors (39891188472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23154131208 is a wasteful number, since it uses less digits than its factorization.

23154131208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 23154131208 in words is "twenty-three billion, one hundred fifty-four million, one hundred thirty-one thousand, two hundred eight".