23531271628 has 6 divisors (see below), whose sum is σ = 41179725356. Its totient is φ = 11765635812.

The previous prime is 23531271607. The next prime is 23531271719. The reversal of 23531271628 is 82617213532.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2941408950 + ... + 2941408957.

Almost surely, 2^23531271628 is an apocalyptic number.

It is an amenable number.

23531271628 is a deficient number, since it is larger than the sum of its proper divisors (17648453728).

23531271628 is a wasteful number, since it uses less digits than its factorization.

23531271628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882817911 (or 5882817909 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The spelling of 23531271628 in words is "twenty-three billion, five hundred thirty-one million, two hundred seventy-one thousand, six hundred twenty-eight".