2123066153 has 8 divisors (see below), whose sum is σ = 2288486088. Its totient is φ = 1957947264.

The previous prime is 2123066149. The next prime is 2123066171. The reversal of 2123066153 is 3516603212.

It can be written as a sum of positive squares in 4 ways, for example, as 932264089 + 1190802064 = 30533^2 + 34508^2 .

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

It is not a de Polignac number, because 2123066153 - 2² = 2123066149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2123066053) 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, 60500 + ... + 88917.

It is an arithmetic number, because the mean of its divisors is an integer number (286060761).

Almost surely, 2^2123066153 is an apocalyptic number.

It is an amenable number.

2123066153 is a deficient number, since it is larger than the sum of its proper divisors (165419935).

2123066153 is a wasteful number, since it uses less digits than its factorization.

2123066153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150523.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2123066153 is about 46076.7419963695. The cubic root of 2123066153 is about 1285.2506796943.

Adding to 2123066153 its reverse (3516603212), we get a palindrome (5639669365).

The spelling of 2123066153 in words is "two billion, one hundred twenty-three million, sixty-six thousand, one hundred fifty-three".