2265143321234 has 4 divisors (see below), whose sum is σ = 3397714981854. Its totient is φ = 1132571660616.

The previous prime is 2265143321191. The next prime is 2265143321269. The reversal of 2265143321234 is 4321233415622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2265015970009 + 127351225 = 1504997^2 + 11285^2 .

It is a super-2 number, since 2×2265143321234² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566285830307 + ... + 566285830310.

Almost surely, 2^{2265143321234} is an apocalyptic number.

2265143321234 is a deficient number, since it is larger than the sum of its proper divisors (1132571660620).

2265143321234 is a wasteful number, since it uses less digits than its factorization.

2265143321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132571660619.

The product of its digits is 207360, while the sum is 38.

Adding to 2265143321234 its reverse (4321233415622), we get a palindrome (6586376736856).

The spelling of 2265143321234 in words is "two trillion, two hundred sixty-five billion, one hundred forty-three million, three hundred twenty-one thousand, two hundred thirty-four".