23638030087 has 4 divisors (see below), whose sum is σ = 27014891536. Its totient is φ = 20261168640.

The previous prime is 23638030081. The next prime is 23638030121. The reversal of 23638030087 is 78003083632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23638030087 - 2³¹ = 21490546439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23638030081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688430714 + ... + 1688430727.

It is an arithmetic number, because the mean of its divisors is an integer number (6753722884).

Almost surely, 2^23638030087 is an apocalyptic number.

23638030087 is a deficient number, since it is larger than the sum of its proper divisors (3376861449).

23638030087 is an equidigital number, since it uses as much as digits as its factorization.

23638030087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376861448.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 23638030087 in words is "twenty-three billion, six hundred thirty-eight million, thirty thousand, eighty-seven".