23630443109 has 12 divisors (see below), whose sum is σ = 29602973484. Its totient is φ = 18696613824.

The previous prime is 23630443099. The next prime is 23630443159. The reversal of 23630443109 is 90134403632.

It can be written as a sum of positive squares in 2 ways, for example, as 10538049025 + 13092394084 = 102655^2 + 114422^2 .

It is not a de Polignac number, because 23630443109 - 2¹² = 23630439013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23630443159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18547592 + ... + 18548865.

It is an arithmetic number, because the mean of its divisors is an integer number (2466914457).

Almost surely, 2^23630443109 is an apocalyptic number.

It is an amenable number.

23630443109 is a deficient number, since it is larger than the sum of its proper divisors (5972530375).

23630443109 is a wasteful number, since it uses less digits than its factorization.

23630443109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37096484 (or 37096477 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 23630443109 in words is "twenty-three billion, six hundred thirty million, four hundred forty-three thousand, one hundred nine".