2802623 has 2 divisors, whose sum is σ = 2802624. Its totient is φ = 2802622.

The previous prime is 2802601. The next prime is 2802641. The reversal of 2802623 is 3262082.

2802623 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2802623 - 2¹⁰ = 2801599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2802643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401311 + 1401312.

It is an arithmetic number, because the mean of its divisors is an integer number (1401312).

2^2802623 is an apocalyptic number.

2802623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2802623 is an equidigital number, since it uses as much as digits as its factorization.

2802623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2802623 is about 1674.1036407582. The cubic root of 2802623 is about 140.9899729637.

It can be divided in two parts, 2802 and 623, that multiplied together give a triangular number (1745646 = T₁₈₆₈).

The spelling of 2802623 in words is "two million, eight hundred two thousand, six hundred twenty-three".