10323390 has 128 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 2073600.

The previous prime is 10323373. The next prime is 10323421. The reversal of 10323390 is 9332301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94656 + ... + 94764.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^10323390 is an apocalyptic number.

10323390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10323390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15966720).

10323390 is an abundant number, since it is smaller than the sum of its proper divisors (21610050).

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

10323390 is a wasteful number, since it uses less digits than its factorization.

10323390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 10323390 is about 3213.0032679722. The cubic root of 10323390 is about 217.7412832973.

Subtracting from 10323390 its sum of digits (21), we obtain a square (10323369 = 3213²).

Adding to 10323390 its reverse (9332301), we get a palindrome (19655691).

The spelling of 10323390 in words is "ten million, three hundred twenty-three thousand, three hundred ninety".