10423778 has 8 divisors (see below), whose sum is σ = 15653568. Its totient is φ = 5205924.

The previous prime is 10423753. The next prime is 10423823. The reversal of 10423778 is 87732401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326 + ... + 4577.

It is an arithmetic number, because the mean of its divisors is an integer number (1956696).

Almost surely, 2^10423778 is an apocalyptic number.

10423778 is a deficient number, since it is larger than the sum of its proper divisors (5229790).

10423778 is a wasteful number, since it uses less digits than its factorization.

10423778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 10423778 is about 3228.5876169000. The cubic root of 10423778 is about 218.4448034538. Note that the first 3 decimals are identical.

The spelling of 10423778 in words is "ten million, four hundred twenty-three thousand, seven hundred seventy-eight".