23044214440 has 32 divisors (see below), whose sum is σ = 55837905480. Its totient is φ = 8508632832.

The previous prime is 23044214383. The next prime is 23044214461. The reversal of 23044214440 is 4441244032.

It can be written as a sum of positive squares in 4 ways, for example, as 8384332356 + 14659882084 = 91566^2 + 121078^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23044214399 and 23044214408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22157379 + ... + 22158418.

Almost surely, 2^23044214440 is an apocalyptic number.

23044214440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23044214440 is an abundant number, since it is smaller than the sum of its proper divisors (32793691040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23044214440 is a wasteful number, since it uses less digits than its factorization.

23044214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44315821 (or 44315817 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 23044214440 its reverse (4441244032), we get a palindrome (27485458472).

The spelling of 23044214440 in words is "twenty-three billion, forty-four million, two hundred fourteen thousand, four hundred forty".