2261454131323 has 4 divisors (see below), whose sum is σ = 2261756108920. Its totient is φ = 2261152153728.

The previous prime is 2261454131281. The next prime is 2261454131333. The reversal of 2261454131323 is 3231314541622.

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

It is a cyclic number.

It is not a de Polignac number, because 2261454131323 - 2³³ = 2252864196731 is a prime.

It is a super-2 number, since 2×2261454131323² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261454131333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150977565 + ... + 150992542.

It is an arithmetic number, because the mean of its divisors is an integer number (565439027230).

Almost surely, 2^{2261454131323} is an apocalyptic number.

2261454131323 is a deficient number, since it is larger than the sum of its proper divisors (301977597).

2261454131323 is an equidigital number, since it uses as much as digits as its factorization.

2261454131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301977596.

The product of its digits is 103680, while the sum is 37.

Adding to 2261454131323 its reverse (3231314541622), we get a palindrome (5492768672945).

The spelling of 2261454131323 in words is "two trillion, two hundred sixty-one billion, four hundred fifty-four million, one hundred thirty-one thousand, three hundred twenty-three".