2623155 has 8 divisors (see below), whose sum is σ = 4197072. Its totient is φ = 1399008.

The previous prime is 2623147. The next prime is 2623157. The reversal of 2623155 is 5513262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2623155 - 2³ = 2623147 is a prime.

It is a super-3 number, since 3×2623155³ = 54149333448124346625, which contains 333 as substring.

2623155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2623157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87424 + ... + 87453.

It is an arithmetic number, because the mean of its divisors is an integer number (524634).

2^2623155 is an apocalyptic number.

2623155 is a deficient number, since it is larger than the sum of its proper divisors (1573917).

2623155 is a wasteful number, since it uses less digits than its factorization.

2623155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174885.

The product of its digits is 1800, while the sum is 24.

The square root of 2623155 is about 1619.6156951573. The cubic root of 2623155 is about 137.9138824182.

The spelling of 2623155 in words is "two million, six hundred twenty-three thousand, one hundred fifty-five".