10421823 has 8 divisors (see below), whose sum is σ = 14627200. Its totient is φ = 6582168.

The previous prime is 10421791. The next prime is 10421837. The reversal of 10421823 is 32812401.

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

It is not a de Polignac number, because 10421823 - 2⁵ = 10421791 is a prime.

It is a super-2 number, since 2×10421823² = 217228789286658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10421823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91363 + ... + 91476.

It is an arithmetic number, because the mean of its divisors is an integer number (1828400).

Almost surely, 2^10421823 is an apocalyptic number.

10421823 is a deficient number, since it is larger than the sum of its proper divisors (4205377).

10421823 is a wasteful number, since it uses less digits than its factorization.

10421823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182861.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 10421823 is about 3228.2848387340. The cubic root of 10421823 is about 218.4311460163.

The spelling of 10421823 in words is "ten million, four hundred twenty-one thousand, eight hundred twenty-three".