23044404440431 has 16 divisors (see below), whose sum is σ = 25567086758400. Its totient is φ = 20593057249600.

The previous prime is 23044404440429. The next prime is 23044404440437. The reversal of 23044404440431 is 13404440444032.

It is not a de Polignac number, because 23044404440431 - 2¹ = 23044404440429 is a prime.

It is a super-2 number, since 2×23044404440431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23044404440437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9015930 + ... + 11286088.

It is an arithmetic number, because the mean of its divisors is an integer number (1597942922400).

Almost surely, 2^{23044404440431} is an apocalyptic number.

23044404440431 is a deficient number, since it is larger than the sum of its proper divisors (2522682317969).

23044404440431 is a wasteful number, since it uses less digits than its factorization.

23044404440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285870.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 23044404440431 its reverse (13404440444032), we get a palindrome (36448844884463).

The spelling of 23044404440431 in words is "twenty-three trillion, forty-four billion, four hundred four million, four hundred forty thousand, four hundred thirty-one".