23503414433 has 2 divisors, whose sum is σ = 23503414434. Its totient is φ = 23503414432.

The previous prime is 23503414427. The next prime is 23503414567. The reversal of 23503414433 is 33441430532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17461772449 + 6041641984 = 132143^2 + 77728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23503414433 is a prime.

It is a super-2 number, since 2×23503414433² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23503414433.

It is not a weakly prime, because it can be changed into another prime (23503414933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11751707216 + 11751707217.

It is an arithmetic number, because the mean of its divisors is an integer number (11751707217).

Almost surely, 2^23503414433 is an apocalyptic number.

It is an amenable number.

23503414433 is a deficient number, since it is larger than the sum of its proper divisors (1).

23503414433 is an equidigital number, since it uses as much as digits as its factorization.

23503414433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 23503414433 its reverse (33441430532), we get a palindrome (56944844965).

The spelling of 23503414433 in words is "twenty-three billion, five hundred three million, four hundred fourteen thousand, four hundred thirty-three".