23001119989 has 2 divisors, whose sum is σ = 23001119990. Its totient is φ = 23001119988.

The previous prime is 23001119971. The next prime is 23001120011. The reversal of 23001119989 is 98991110032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13911023025 + 9090096964 = 117945^2 + 95342^2 .

It is a cyclic number.

It is not a de Polignac number, because 23001119989 - 2¹⁹ = 23000595701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23001119909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500559994 + 11500559995.

It is an arithmetic number, because the mean of its divisors is an integer number (11500559995).

Almost surely, 2^23001119989 is an apocalyptic number.

It is an amenable number.

23001119989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001119989 is an equidigital number, since it uses as much as digits as its factorization.

23001119989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 43.

It can be divided in two parts, 230011 and 19989, that added together give a square (250000 = 500²).

The spelling of 23001119989 in words is "twenty-three billion, one million, one hundred nineteen thousand, nine hundred eighty-nine".