23351044393 has 4 divisors (see below), whose sum is σ = 23355900868. Its totient is φ = 23346187920.

The previous prime is 23351044391. The next prime is 23351044411. The reversal of 23351044393 is 39344015332.

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 20588806144 + 2762238249 = 143488^2 + 52557^2 .

It is a cyclic number.

It is not a de Polignac number, because 23351044393 - 2¹ = 23351044391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23351044391) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2421018 + ... + 2430643.

It is an arithmetic number, because the mean of its divisors is an integer number (5838975217).

Almost surely, 2^23351044393 is an apocalyptic number.

It is an amenable number.

23351044393 is a deficient number, since it is larger than the sum of its proper divisors (4856475).

23351044393 is an equidigital number, since it uses as much as digits as its factorization.

23351044393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856474.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 23351044393 in words is "twenty-three billion, three hundred fifty-one million, forty-four thousand, three hundred ninety-three".