923420 has 12 divisors (see below), whose sum is σ = 1939224. Its totient is φ = 369360.

The previous prime is 923411. The next prime is 923437. The reversal of 923420 is 24329.

923420 = 132² + 133² + ... + 171².

923420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 46171 = 923420 / (9 + 2 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 923392 and 923401.

It is a congruent number.

It is an unprimeable number.

923420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23066 + ... + 23105.

It is an arithmetic number, because the mean of its divisors is an integer number (161602).

2⁹²³⁴²⁰ is an apocalyptic number.

It is an amenable number.

923420 is an abundant number, since it is smaller than the sum of its proper divisors (1015804).

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

923420 is a wasteful number, since it uses less digits than its factorization.

923420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46180 (or 46178 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 923420 is about 960.9474491355. The cubic root of 923420 is about 97.3792500355.

Adding to 923420 its reverse (24329), we get a palindrome (947749).

The spelling of 923420 in words is "nine hundred twenty-three thousand, four hundred twenty".