23440404307 has 2 divisors, whose sum is σ = 23440404308. Its totient is φ = 23440404306.

The previous prime is 23440404199. The next prime is 23440404371. The reversal of 23440404307 is 70340404432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23440404307 - 2¹¹ = 23440402259 is a prime.

It is not a weakly prime, because it can be changed into another prime (23440404107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720202153 + 11720202154.

It is an arithmetic number, because the mean of its divisors is an integer number (11720202154).

Almost surely, 2^23440404307 is an apocalyptic number.

23440404307 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440404307 is an equidigital number, since it uses as much as digits as its factorization.

23440404307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 31.

Adding to 23440404307 its reverse (70340404432), we get a palindrome (93780808739).

The spelling of 23440404307 in words is "twenty-three billion, four hundred forty million, four hundred four thousand, three hundred seven".