23023988 has 12 divisors (see below), whose sum is σ = 43391460. Its totient is φ = 10626432.

The previous prime is 23023907. The next prime is 23023993. The reversal of 23023988 is 88932032.

It can be written as a sum of positive squares in 2 ways, for example, as 1882384 + 21141604 = 1372^2 + 4598^2 .

It is a congruent number.

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, 221333 + ... + 221436.

It is an arithmetic number, because the mean of its divisors is an integer number (3615955).

Almost surely, 2^23023988 is an apocalyptic number.

It is an amenable number.

23023988 is a deficient number, since it is larger than the sum of its proper divisors (20367472).

23023988 is a wasteful number, since it uses less digits than its factorization.

23023988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442786 (or 442784 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 23023988 is about 4798.3317934466. The cubic root of 23023988 is about 284.4855312873.

The spelling of 23023988 in words is "twenty-three million, twenty-three thousand, nine hundred eighty-eight".