923245 has 4 divisors (see below), whose sum is σ = 1107900. Its totient is φ = 738592.

The previous prime is 923239. The next prime is 923249. The reversal of 923245 is 542329.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542329 = 29 ⋅18701.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 509796 = 643^2 + 714^2 .

It is a cyclic number.

It is not a de Polignac number, because 923245 - 2¹¹ = 921197 is a prime.

It is a d-powerful number, because it can be written as 9⁶ + 2⁶ + 2¹⁰ + 3³ + 4³ + 5⁸ .

923245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92320 + ... + 92329.

It is an arithmetic number, because the mean of its divisors is an integer number (276975).

2⁹²³²⁴⁵ is an apocalyptic number.

It is an amenable number.

923245 is a deficient number, since it is larger than the sum of its proper divisors (184655).

923245 is a wasteful number, since it uses less digits than its factorization.

923245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184654.

The product of its digits is 2160, while the sum is 25.

The square root of 923245 is about 960.8563888532. The cubic root of 923245 is about 97.3730981055.

It can be divided in two parts, 92324 and 5, that added together give a palindrome (92329).

The spelling of 923245 in words is "nine hundred twenty-three thousand, two hundred forty-five".