2123165373 has 8 divisors (see below), whose sum is σ = 3235299648. Its totient is φ = 1213237344.

The previous prime is 2123165353. The next prime is 2123165419. The reversal of 2123165373 is 3735613212.

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

It is not a de Polignac number, because 2123165373 - 2¹⁰ = 2123164349 is a prime.

It is a super-2 number, since 2×2123165373² = 9015662402212458258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123165323) 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, 50551536 + ... + 50551577.

It is an arithmetic number, because the mean of its divisors is an integer number (404412456).

Almost surely, 2^2123165373 is an apocalyptic number.

It is an amenable number.

2123165373 is a deficient number, since it is larger than the sum of its proper divisors (1112134275).

2123165373 is a wasteful number, since it uses less digits than its factorization.

2123165373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101103123.

The product of its digits is 22680, while the sum is 33.

The square root of 2123165373 is about 46077.8186658179. The cubic root of 2123165373 is about 1285.2707011439.

Adding to 2123165373 its reverse (3735613212), we get a palindrome (5858778585).

The spelling of 2123165373 in words is "two billion, one hundred twenty-three million, one hundred sixty-five thousand, three hundred seventy-three".