23021761772 has 12 divisors (see below), whose sum is σ = 42039739056. Its totient is φ = 11010407760.

The previous prime is 23021761769. The next prime is 23021761783. The reversal of 23021761772 is 27716712032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125118179 + ... + 125118362.

It is an arithmetic number, because the mean of its divisors is an integer number (3503311588).

Almost surely, 2^23021761772 is an apocalyptic number.

It is an amenable number.

23021761772 is a deficient number, since it is larger than the sum of its proper divisors (19017977284).

23021761772 is a wasteful number, since it uses less digits than its factorization.

23021761772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250236568 (or 250236566 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 23021761772 in words is "twenty-three billion, twenty-one million, seven hundred sixty-one thousand, seven hundred seventy-two".