23106637 has 2 divisors, whose sum is σ = 23106638. Its totient is φ = 23106636.

The previous prime is 23106581. The next prime is 23106653. The reversal of 23106637 is 73660132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20331081 + 2775556 = 4509^2 + 1666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23106637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23106137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11553318 + 11553319.

It is an arithmetic number, because the mean of its divisors is an integer number (11553319).

Almost surely, 2^23106637 is an apocalyptic number.

It is an amenable number.

23106637 is a deficient number, since it is larger than the sum of its proper divisors (1).

23106637 is an equidigital number, since it uses as much as digits as its factorization.

23106637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23106637 is about 4806.9363424119. The cubic root of 23106637 is about 284.8255298215.

Adding to 23106637 its reverse (73660132), we get a palindrome (96766769).

The spelling of 23106637 in words is "twenty-three million, one hundred six thousand, six hundred thirty-seven".