2123342052664 has 64 divisors (see below), whose sum is σ = 4562464112640. Its totient is φ = 907518013440.

The previous prime is 2123342052653. The next prime is 2123342052731. The reversal of 2123342052664 is 4662502433212.

It is a super-2 number, since 2×2123342052664² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30943977 + ... + 31012519.

It is an arithmetic number, because the mean of its divisors is an integer number (71288501760).

Almost surely, 2^{2123342052664} is an apocalyptic number.

It is an amenable number.

2123342052664 is an abundant number, since it is smaller than the sum of its proper divisors (2439122059976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123342052664 is a wasteful number, since it uses less digits than its factorization.

2123342052664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70060 (or 70056 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 2123342052664 its reverse (4662502433212), we get a palindrome (6785844485876).

The spelling of 2123342052664 in words is "two trillion, one hundred twenty-three billion, three hundred forty-two million, fifty-two thousand, six hundred sixty-four".