2400623 has 2 divisors, whose sum is σ = 2400624. Its totient is φ = 2400622.

The previous prime is 2400613. The next prime is 2400661. The reversal of 2400623 is 3260042.

2400623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2400623 - 2⁸ = 2400367 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2400613) 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 as a sum of consecutive naturals, namely, 1200311 + 1200312.

It is an arithmetic number, because the mean of its divisors is an integer number (1200312).

2^2400623 is an apocalyptic number.

2400623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400623 is an equidigital number, since it uses as much as digits as its factorization.

2400623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2400623 is about 1549.3943978213. The cubic root of 2400623 is about 133.8981739233.

Adding to 2400623 its reverse (3260042), we get a palindrome (5660665).

The spelling of 2400623 in words is "two million, four hundred thousand, six hundred twenty-three".