2015622423 has 6 divisors (see below), whose sum is σ = 2911454624. Its totient is φ = 1343748276.

The previous prime is 2015622419. The next prime is 2015622431. The reversal of 2015622423 is 3242265102.

It is a happy number.

2015622423 is a `hidden beast` number, since 2 + 0 + 15 + 622 + 4 + 23 = 666.

It is not a de Polignac number, because 2015622423 - 2² = 2015622419 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 (2015624423) 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 5 ways as a sum of consecutive naturals, for example, 111979015 + ... + 111979032.

Almost surely, 2^2015622423 is an apocalyptic number.

2015622423 is a deficient number, since it is larger than the sum of its proper divisors (895832201).

2015622423 is a wasteful number, since it uses less digits than its factorization.

2015622423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223958053 (or 223958050 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2015622423 is about 44895.6837903155. The cubic root of 2015622423 is about 1263.1930484660.

Adding to 2015622423 its reverse (3242265102), we get a palindrome (5257887525).

The spelling of 2015622423 in words is "two billion, fifteen million, six hundred twenty-two thousand, four hundred twenty-three".