23031631445 has 8 divisors (see below), whose sum is σ = 27707577144. Its totient is φ = 18378892224.

The previous prime is 23031631429. The next prime is 23031631453. The reversal of 23031631445 is 54413613032.

It can be written as a sum of positive squares in 4 ways, for example, as 174424849 + 22857206596 = 13207^2 + 151186^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23031631445 - 2⁴ = 23031631429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5799434 + ... + 5803403.

It is an arithmetic number, because the mean of its divisors is an integer number (3463447143).

Almost surely, 2^23031631445 is an apocalyptic number.

It is an amenable number.

23031631445 is a deficient number, since it is larger than the sum of its proper divisors (4675945699).

23031631445 is a wasteful number, since it uses less digits than its factorization.

23031631445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11603239.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 23031631445 in words is "twenty-three billion, thirty-one million, six hundred thirty-one thousand, four hundred forty-five".