2123314655 has 48 divisors (see below), whose sum is σ = 3224686080. Its totient is φ = 1313737920.

The previous prime is 2123314631. The next prime is 2123314691. The reversal of 2123314655 is 5564133212.

It is a happy number.

It is not a de Polignac number, because 2123314655 - 2¹⁸ = 2123052511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 586862 + ... + 590468.

It is an arithmetic number, because the mean of its divisors is an integer number (67180960).

Almost surely, 2^2123314655 is an apocalyptic number.

2123314655 is a deficient number, since it is larger than the sum of its proper divisors (1101371425).

2123314655 is a wasteful number, since it uses less digits than its factorization.

2123314655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780 (or 3769 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 2123314655 is about 46079.4385273953. The cubic root of 2123314655 is about 1285.3008233515.

Adding to 2123314655 its reverse (5564133212), we get a palindrome (7687447867).

The spelling of 2123314655 in words is "two billion, one hundred twenty-three million, three hundred fourteen thousand, six hundred fifty-five".