23678450687 has 2 divisors, whose sum is σ = 23678450688. Its totient is φ = 23678450686.

The previous prime is 23678450641. The next prime is 23678450717. The reversal of 23678450687 is 78605487632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23678450687 - 2¹⁶ = 23678385151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23678450387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11839225343 + 11839225344.

It is an arithmetic number, because the mean of its divisors is an integer number (11839225344).

Almost surely, 2^23678450687 is an apocalyptic number.

23678450687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23678450687 is an equidigital number, since it uses as much as digits as its factorization.

23678450687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 23678450687 in words is "twenty-three billion, six hundred seventy-eight million, four hundred fifty thousand, six hundred eighty-seven".