23788438071 has 4 divisors (see below), whose sum is σ = 31717917432. Its totient is φ = 15858958712.

The previous prime is 23788438067. The next prime is 23788438073. The reversal of 23788438071 is 17083488732.

It is a happy number.

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 23788438071 - 2² = 23788438067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23788438073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3964739676 + ... + 3964739681.

It is an arithmetic number, because the mean of its divisors is an integer number (7929479358).

Almost surely, 2^23788438071 is an apocalyptic number.

23788438071 is a deficient number, since it is larger than the sum of its proper divisors (7929479361).

23788438071 is an equidigital number, since it uses as much as digits as its factorization.

23788438071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929479360.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 23788438071 in words is "twenty-three billion, seven hundred eighty-eight million, four hundred thirty-eight thousand, seventy-one".