23006749 has 2 divisors, whose sum is σ = 23006750. Its totient is φ = 23006748.

The previous prime is 23006747. The next prime is 23006759. The reversal of 23006749 is 94760032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22184100 + 822649 = 4710^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 23006749 - 2¹ = 23006747 is a prime.

Together with 23006747, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23006749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23006741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11503374 + 11503375.

It is an arithmetic number, because the mean of its divisors is an integer number (11503375).

Almost surely, 2^23006749 is an apocalyptic number.

It is an amenable number.

23006749 is a deficient number, since it is larger than the sum of its proper divisors (1).

23006749 is an equidigital number, since it uses as much as digits as its factorization.

23006749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 23006749 is about 4796.5351035930. The cubic root of 23006749 is about 284.4145115811.

The spelling of 23006749 in words is "twenty-three million, six thousand, seven hundred forty-nine".