2321420144 has 10 divisors (see below), whose sum is σ = 4497751560. Its totient is φ = 1160710064.

The previous prime is 2321420141. The next prime is 2321420203. The reversal of 2321420144 is 4410241232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321420141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72544364 + ... + 72544395.

It is an arithmetic number, because the mean of its divisors is an integer number (449775156).

Almost surely, 2^2321420144 is an apocalyptic number.

It is an amenable number.

2321420144 is a deficient number, since it is larger than the sum of its proper divisors (2176331416).

2321420144 is a wasteful number, since it uses less digits than its factorization.

2321420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145088767 (or 145088761 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2321420144 is about 48181.1181273328. The cubic root of 2321420144 is about 1324.0912518530.

Adding to 2321420144 its reverse (4410241232), we get a palindrome (6731661376).

The spelling of 2321420144 in words is "two billion, three hundred twenty-one million, four hundred twenty thousand, one hundred forty-four".