23326478687 has 2 divisors, whose sum is σ = 23326478688. Its totient is φ = 23326478686.

The previous prime is 23326478633. The next prime is 23326478689. The reversal of 23326478687 is 78687462332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23326478687 - 2¹⁴ = 23326462303 is a prime.

Together with 23326478689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23326478689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11663239343 + 11663239344.

It is an arithmetic number, because the mean of its divisors is an integer number (11663239344).

Almost surely, 2^23326478687 is an apocalyptic number.

23326478687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23326478687 is an equidigital number, since it uses as much as digits as its factorization.

23326478687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 56.

The spelling of 23326478687 in words is "twenty-three billion, three hundred twenty-six million, four hundred seventy-eight thousand, six hundred eighty-seven".