2351161223 has 8 divisors (see below), whose sum is σ = 2455111296. Its totient is φ = 2247355000.

The previous prime is 2351161207. The next prime is 2351161243. The reversal of 2351161223 is 3221611532.

It is a happy number.

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 2351161223 - 2⁴ = 2351161207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2351161192 and 2351161201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351161243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853 + ... + 68598.

It is an arithmetic number, because the mean of its divisors is an integer number (306888912).

Almost surely, 2^2351161223 is an apocalyptic number.

2351161223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2351161223 is a deficient number, since it is larger than the sum of its proper divisors (103950073).

2351161223 is a wasteful number, since it uses less digits than its factorization.

2351161223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71925.

The product of its digits is 2160, while the sum is 26.

The square root of 2351161223 is about 48488.7741956837. The cubic root of 2351161223 is about 1329.7218448969.

Adding to 2351161223 its reverse (3221611532), we get a palindrome (5572772755).

The spelling of 2351161223 in words is "two billion, three hundred fifty-one million, one hundred sixty-one thousand, two hundred twenty-three".