2623011 has 4 divisors (see below), whose sum is σ = 3497352. Its totient is φ = 1748672.

The previous prime is 2622959. The next prime is 2623039. The reversal of 2623011 is 1103262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2623011 - 2¹⁰ = 2621987 is a prime.

It is a super-2 number, since 2×2623011² = 13760373412242, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2623051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437166 + ... + 437171.

It is an arithmetic number, because the mean of its divisors is an integer number (874338).

2^2623011 is an apocalyptic number.

2623011 is a deficient number, since it is larger than the sum of its proper divisors (874341).

2623011 is an equidigital number, since it uses as much as digits as its factorization.

2623011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874340.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2623011 is about 1619.5712395569. The cubic root of 2623011 is about 137.9113587444.

Adding to 2623011 its reverse (1103262), we get a palindrome (3726273).

The spelling of 2623011 in words is "two million, six hundred twenty-three thousand, eleven".