2623216783 has 4 divisors (see below), whose sum is σ = 2861691048. Its totient is φ = 2384742520.

The previous prime is 2623216747. The next prime is 2623216793. The reversal of 2623216783 is 3876123262.

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 2623216783 - 2¹³ = 2623208591 is a prime.

It is a super-2 number, since 2×2623216783² = 13762532581225738178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623216793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119237116 + ... + 119237137.

It is an arithmetic number, because the mean of its divisors is an integer number (715422762).

Almost surely, 2^2623216783 is an apocalyptic number.

2623216783 is a deficient number, since it is larger than the sum of its proper divisors (238474265).

2623216783 is a wasteful number, since it uses less digits than its factorization.

2623216783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238474264.

The product of its digits is 145152, while the sum is 40.

The square root of 2623216783 is about 51217.3484573343. The cubic root of 2623216783 is about 1379.1496516861.

The spelling of 2623216783 in words is "two billion, six hundred twenty-three million, two hundred sixteen thousand, seven hundred eighty-three".