23578426733 has 2 divisors, whose sum is σ = 23578426734. Its totient is φ = 23578426732.

The previous prime is 23578426721. The next prime is 23578426757. The reversal of 23578426733 is 33762487532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23483110564 + 95316169 = 153242^2 + 9763^2 .

It is a cyclic number.

It is not a de Polignac number, because 23578426733 - 2⁴ = 23578426717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23578426763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11789213366 + 11789213367.

It is an arithmetic number, because the mean of its divisors is an integer number (11789213367).

Almost surely, 2^23578426733 is an apocalyptic number.

It is an amenable number.

23578426733 is a deficient number, since it is larger than the sum of its proper divisors (1).

23578426733 is an equidigital number, since it uses as much as digits as its factorization.

23578426733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 50.

The spelling of 23578426733 in words is "twenty-three billion, five hundred seventy-eight million, four hundred twenty-six thousand, seven hundred thirty-three".