10402023 has 4 divisors (see below), whose sum is σ = 13869368. Its totient is φ = 6934680.

The previous prime is 10401973. The next prime is 10402031. The reversal of 10402023 is 32020401.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-10402023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733668 + ... + 1733673.

It is an arithmetic number, because the mean of its divisors is an integer number (3467342).

Almost surely, 2^10402023 is an apocalyptic number.

10402023 is a deficient number, since it is larger than the sum of its proper divisors (3467345).

10402023 is an equidigital number, since it uses as much as digits as its factorization.

10402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467344.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 10402023 is about 3225.2167369031. The cubic root of 10402023 is about 218.2927288216.

Adding to 10402023 its reverse (32020401), we get a palindrome (42422424).

The spelling of 10402023 in words is "ten million, four hundred two thousand, twenty-three".