2328781141 has 4 divisors (see below), whose sum is σ = 2352789292. Its totient is φ = 2304772992.

The previous prime is 2328781127. The next prime is 2328781219. The reversal of 2328781141 is 1411878232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 554602500 + 1774178641 = 23550^2 + 42121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2328781141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2328781141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2328781111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12003930 + ... + 12004123.

It is an arithmetic number, because the mean of its divisors is an integer number (588197323).

Almost surely, 2^2328781141 is an apocalyptic number.

It is an amenable number.

2328781141 is a deficient number, since it is larger than the sum of its proper divisors (24008151).

2328781141 is an equidigital number, since it uses as much as digits as its factorization.

2328781141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24008150.

The product of its digits is 21504, while the sum is 37.

The square root of 2328781141 is about 48257.4464823824. The cubic root of 2328781141 is about 1325.4892966367.

The spelling of 2328781141 in words is "two billion, three hundred twenty-eight million, seven hundred eighty-one thousand, one hundred forty-one".