2123764353 has 14 divisors (see below), whose sum is σ = 3184190994. Its totient is φ = 1415842416.

The previous prime is 2123764343. The next prime is 2123764397. The reversal of 2123764353 is 3534673212.

2123764353 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 7 + 643 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1478248704 + 645515649 = 38448^2 + 25407^2 .

It is not a de Polignac number, because 2123764353 - 2¹⁰ = 2123763329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123764303) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1455900 + ... + 1457357.

Almost surely, 2^2123764353 is an apocalyptic number.

It is an amenable number.

2123764353 is a deficient number, since it is larger than the sum of its proper divisors (1060426641).

2123764353 is an frugal number, since it uses more digits than its factorization.

2123764353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913275 (or 2913260 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 2123764353 is about 46084.3178641064. The cubic root of 2123764353 is about 1285.3915551402.

The spelling of 2123764353 in words is "two billion, one hundred twenty-three million, seven hundred sixty-four thousand, three hundred fifty-three".