10423320 has 32 divisors (see below), whose sum is σ = 31270320. Its totient is φ = 2779520.

The previous prime is 10423319. The next prime is 10423321. The reversal of 10423320 is 2332401.

It is an interprime number because it is at equal distance from previous prime (10423319) and next prime (10423321).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10423320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423321) 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, 43311 + ... + 43550.

Almost surely, 2^10423320 is an apocalyptic number.

10423320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10423320 is an abundant number, since it is smaller than the sum of its proper divisors (20847000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10423320 is a wasteful number, since it uses less digits than its factorization.

10423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86875 (or 86871 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 10423320 is about 3228.5166872730. The cubic root of 10423320 is about 218.4416040641.

Adding to 10423320 its reverse (2332401), we get a palindrome (12755721).

The spelling of 10423320 in words is "ten million, four hundred twenty-three thousand, three hundred twenty".