10398723 has 4 divisors (see below), whose sum is σ = 13864968. Its totient is φ = 6932480.

The previous prime is 10398721. The next prime is 10398743. The reversal of 10398723 is 32789301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32789301 = 3 ⋅10929767.

It is a cyclic number.

It is not a de Polignac number, because 10398723 - 2¹ = 10398721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10398721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733118 + ... + 1733123.

It is an arithmetic number, because the mean of its divisors is an integer number (3466242).

Almost surely, 2^10398723 is an apocalyptic number.

10398723 is a deficient number, since it is larger than the sum of its proper divisors (3466245).

10398723 is an equidigital number, since it uses as much as digits as its factorization.

10398723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466244.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 10398723 is about 3224.7051027962. The cubic root of 10398723 is about 218.2696422163.

The spelling of 10398723 in words is "ten million, three hundred ninety-eight thousand, seven hundred twenty-three".