23213571756 has 12 divisors (see below), whose sum is σ = 54165000792. Its totient is φ = 7737857248.

The previous prime is 23213571701. The next prime is 23213571769. The reversal of 23213571756 is 65717531232.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967232145 + ... + 967232168.

It is an arithmetic number, because the mean of its divisors is an integer number (4513750066).

Almost surely, 2^23213571756 is an apocalyptic number.

It is an amenable number.

23213571756 is an abundant number, since it is smaller than the sum of its proper divisors (30951429036).

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

23213571756 is a wasteful number, since it uses less digits than its factorization.

23213571756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934464320 (or 1934464318 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The spelling of 23213571756 in words is "twenty-three billion, two hundred thirteen million, five hundred seventy-one thousand, seven hundred fifty-six".