2123284045 has 8 divisors (see below), whose sum is σ = 2548867320. Its totient is φ = 1698009600.

The previous prime is 2123284021. The next prime is 2123284087. The reversal of 2123284045 is 5404823212.

It can be written as a sum of positive squares in 4 ways, for example, as 352725961 + 1770558084 = 18781^2 + 42078^2 .

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

It is not a de Polignac number, because 2123284045 - 2⁵ = 2123284013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123283998 and 2123284016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61800 + ... + 89809.

It is an arithmetic number, because the mean of its divisors is an integer number (318608415).

Almost surely, 2^2123284045 is an apocalyptic number.

It is an amenable number.

2123284045 is a deficient number, since it is larger than the sum of its proper divisors (425583275).

2123284045 is a wasteful number, since it uses less digits than its factorization.

2123284045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154415.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 2123284045 is about 46079.1063823942. The cubic root of 2123284045 is about 1285.2946469632.

The spelling of 2123284045 in words is "two billion, one hundred twenty-three million, two hundred eighty-four thousand, forty-five".