4280623 has 2 divisors, whose sum is σ = 4280624. Its totient is φ = 4280622.

The previous prime is 4280611. The next prime is 4280629. The reversal of 4280623 is 3260824.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4280623 - 2²¹ = 2183471 is a prime.

4280623 is a lucky number.

It is equal to p₃₀₁₅₈₈ and since 4280623 and 301588 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4280629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2140311 + 2140312.

It is an arithmetic number, because the mean of its divisors is an integer number (2140312).

Almost surely, 2^4280623 is an apocalyptic number.

4280623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4280623 is an equidigital number, since it uses as much as digits as its factorization.

4280623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4280623 is about 2068.9666502870. The cubic root of 4280623 is about 162.3687049916.

The spelling of 4280623 in words is "four million, two hundred eighty thousand, six hundred twenty-three".