23402111440433 has 12 divisors (see below), whose sum is σ = 26208321286644. Its totient is φ = 20873238328800.

The previous prime is 23402111440373. The next prime is 23402111440471. The reversal of 23402111440433 is 33404411120432.

It can be written as a sum of positive squares in 2 ways, for example, as 9383886535969 + 14018224904464 = 3063313^2 + 3744092^2 .

It is not a de Polignac number, because 23402111440433 - 2²⁴ = 23402094663217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23402111440433.

It is not an unprimeable number, because it can be changed into a prime (23402111440033) 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 11 ways as a sum of consecutive naturals, for example, 1824577358 + ... + 1824590183.

It is an arithmetic number, because the mean of its divisors is an integer number (2184026773887).

Almost surely, 2^{23402111440433} is an apocalyptic number.

It is an amenable number.

23402111440433 is a deficient number, since it is larger than the sum of its proper divisors (2806209846211).

23402111440433 is a wasteful number, since it uses less digits than its factorization.

23402111440433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649167616 (or 3649167605 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 23402111440433 its reverse (33404411120432), we get a palindrome (56806522560865).

The spelling of 23402111440433 in words is "twenty-three trillion, four hundred two billion, one hundred eleven million, four hundred forty thousand, four hundred thirty-three".