2923561444 has 12 divisors (see below), whose sum is σ = 5116612284. Its totient is φ = 1461672224.

The previous prime is 2923561439. The next prime is 2923561447. The reversal of 2923561444 is 4441653292.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2203175844 + 720385600 = 46938^2 + 26840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2923561397 and 2923561406.

It is not an unprimeable number, because it can be changed into a prime (2923561447) 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, 85002 + ... + 114334.

It is an arithmetic number, because the mean of its divisors is an integer number (426384357).

Almost surely, 2^2923561444 is an apocalyptic number.

It is an amenable number.

2923561444 is a deficient number, since it is larger than the sum of its proper divisors (2193050840).

2923561444 is a wasteful number, since it uses less digits than its factorization.

2923561444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54254 (or 54252 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 2923561444 is about 54069.9680414183. The cubic root of 2923561444 is about 1429.8947620078.

The spelling of 2923561444 in words is "two billion, nine hundred twenty-three million, five hundred sixty-one thousand, four hundred forty-four".