2420723 has 2 divisors, whose sum is σ = 2420724. Its totient is φ = 2420722.

The previous prime is 2420707. The next prime is 2420767. The reversal of 2420723 is 3270242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420723 - 2⁴ = 2420707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2420695 and 2420704.

It is not a weakly prime, because it can be changed into another prime (2420123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210361 + 1210362.

It is an arithmetic number, because the mean of its divisors is an integer number (1210362).

2^2420723 is an apocalyptic number.

2420723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420723 is an equidigital number, since it uses as much as digits as its factorization.

2420723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2420723 is about 1555.8672822577. The cubic root of 2420723 is about 134.2708378290.

Adding to 2420723 its reverse (3270242), we get a palindrome (5690965).

The spelling of 2420723 in words is "two million, four hundred twenty thousand, seven hundred twenty-three".