2112615623 has 8 divisors (see below), whose sum is σ = 2159671296. Its totient is φ = 2065960800.

The previous prime is 2112615613. The next prime is 2112615629. The reversal of 2112615623 is 3265162112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112615623 - 2⁴ = 2112615607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112615629) 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, 89543 + ... + 110648.

It is an arithmetic number, because the mean of its divisors is an integer number (269958912).

Almost surely, 2^2112615623 is an apocalyptic number.

2112615623 is a deficient number, since it is larger than the sum of its proper divisors (47055673).

2112615623 is a wasteful number, since it uses less digits than its factorization.

2112615623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200425.

The product of its digits is 4320, while the sum is 29.

The square root of 2112615623 is about 45963.1985723361. The cubic root of 2112615623 is about 1283.1383809931.

Adding to 2112615623 its reverse (3265162112), we get a palindrome (5377777735).

The spelling of 2112615623 in words is "two billion, one hundred twelve million, six hundred fifteen thousand, six hundred twenty-three".