2240023 has 2 divisors, whose sum is σ = 2240024. Its totient is φ = 2240022.

The previous prime is 2240003. The next prime is 2240027. The reversal of 2240023 is 3200422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2240023 - 2²¹ = 142871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2239985 and 2240012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120011 + 1120012.

It is an arithmetic number, because the mean of its divisors is an integer number (1120012).

2^2240023 is an apocalyptic number.

2240023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240023 is an equidigital number, since it uses as much as digits as its factorization.

2240023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2240023 is about 1496.6706384506. The cubic root of 2240023 is about 130.8431002306.

Adding to 2240023 its reverse (3200422), we get a palindrome (5440445).

The spelling of 2240023 in words is "two million, two hundred forty thousand, twenty-three".