23677813 has 2 divisors, whose sum is σ = 23677814. Its totient is φ = 23677812.

The previous prime is 23677811. The next prime is 23677853. The reversal of 23677813 is 31877632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14569489 + 9108324 = 3817^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 23677813 - 2¹ = 23677811 is a prime.

Together with 23677811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23677811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11838906 + 11838907.

It is an arithmetic number, because the mean of its divisors is an integer number (11838907).

Almost surely, 2^23677813 is an apocalyptic number.

It is an amenable number.

23677813 is a deficient number, since it is larger than the sum of its proper divisors (1).

23677813 is an equidigital number, since it uses as much as digits as its factorization.

23677813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 23677813 is about 4865.9853061841. The cubic root of 23677813 is about 287.1533333872.

The spelling of 23677813 in words is "twenty-three million, six hundred seventy-seven thousand, eight hundred thirteen".