23106949 has 2 divisors, whose sum is σ = 23106950. Its totient is φ = 23106948.

The previous prime is 23106913. The next prime is 23107001. The reversal of 23106949 is 94960132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15350724 + 7756225 = 3918^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 23106949 - 2¹⁹ = 22582661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23106049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11553474 + 11553475.

It is an arithmetic number, because the mean of its divisors is an integer number (11553475).

Almost surely, 2^23106949 is an apocalyptic number.

It is an amenable number.

23106949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23106949 is an equidigital number, since it uses as much as digits as its factorization.

23106949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 23106949 is about 4806.9687954053. The cubic root of 23106949 is about 284.8268117788.

The spelling of 23106949 in words is "twenty-three million, one hundred six thousand, nine hundred forty-nine".