23478727 has 2 divisors, whose sum is σ = 23478728. Its totient is φ = 23478726.

The previous prime is 23478713. The next prime is 23478739. The reversal of 23478727 is 72787432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23478727 - 2⁷ = 23478599 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 23478727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23478787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11739363 + 11739364.

It is an arithmetic number, because the mean of its divisors is an integer number (11739364).

Almost surely, 2^23478727 is an apocalyptic number.

23478727 is a deficient number, since it is larger than the sum of its proper divisors (1).

23478727 is an equidigital number, since it uses as much as digits as its factorization.

23478727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131712, while the sum is 40.

The square root of 23478727 is about 4845.4852182212. The cubic root of 23478727 is about 286.3462601579.

It can be divided in two parts, 234 and 78727, that added together give a square (78961 = 281²).

The spelling of 23478727 in words is "twenty-three million, four hundred seventy-eight thousand, seven hundred twenty-seven".