2123455795452 has 72 divisors (see below), whose sum is σ = 5420191227360. Its totient is φ = 700887859200.

The previous prime is 2123455795423. The next prime is 2123455795471. The reversal of 2123455795452 is 2545975543212.

2123455795452 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 45 + 57 + 9 + 545 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82931452 + ... + 82957052.

Almost surely, 2^{2123455795452} is an apocalyptic number.

It is an amenable number.

2123455795452 is an abundant number, since it is smaller than the sum of its proper divisors (3296735431908).

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

2123455795452 is a wasteful number, since it uses less digits than its factorization.

2123455795452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48083 (or 48078 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 54.

The spelling of 2123455795452 in words is "two trillion, one hundred twenty-three billion, four hundred fifty-five million, seven hundred ninety-five thousand, four hundred fifty-two".