10649923 has 2 divisors, whose sum is σ = 10649924. Its totient is φ = 10649922.

The previous prime is 10649909. The next prime is 10649927. The reversal of 10649923 is 32994601.

10649923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (32994601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10649923 - 2¹³ = 10641731 is a prime.

It is a super-2 number, since 2×10649923² = 226841719811858, which contains 22 as substring.

It is equal to p₇₀₄₈₈₇ and since 10649923 and 704887 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10649927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324961 + 5324962.

It is an arithmetic number, because the mean of its divisors is an integer number (5324962).

Almost surely, 2^10649923 is an apocalyptic number.

10649923 is a deficient number, since it is larger than the sum of its proper divisors (1).

10649923 is an equidigital number, since it uses as much as digits as its factorization.

10649923 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 10649923 is about 3263.4219770051. The cubic root of 10649923 is about 220.0132430045.

The spelling of 10649923 in words is "ten million, six hundred forty-nine thousand, nine hundred twenty-three".