2123284553 has 8 divisors (see below), whose sum is σ = 2348415048. Its totient is φ = 1906982784.

The previous prime is 2123284483. The next prime is 2123284591. The reversal of 2123284553 is 3554823212.

It can be written as a sum of positive squares in 4 ways, for example, as 260757904 + 1862526649 = 16148^2 + 43157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123284553 - 2¹⁰ = 2123283529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123284253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206676 + ... + 2207637.

It is an arithmetic number, because the mean of its divisors is an integer number (293551881).

Almost surely, 2^2123284553 is an apocalyptic number.

It is an amenable number.

2123284553 is a deficient number, since it is larger than the sum of its proper divisors (225130495).

2123284553 is a wasteful number, since it uses less digits than its factorization.

2123284553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414363.

The product of its digits is 57600, while the sum is 35.

The square root of 2123284553 is about 46079.1118946535. Note that the first 3 decimals coincide. The cubic root of 2123284553 is about 1285.2947494663.

The spelling of 2123284553 in words is "two billion, one hundred twenty-three million, two hundred eighty-four thousand, five hundred fifty-three".