23203312350133 has 4 divisors (see below), whose sum is σ = 23260044165580. Its totient is φ = 23146580534688.

The previous prime is 23203312350121. The next prime is 23203312350173. The reversal of 23203312350133 is 33105321330232.

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 21403188344164 + 1800124005969 = 4626358^2 + 1341687^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203312350133 - 2²¹ = 23203310252981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23203312350095 and 23203312350104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203312350173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28365907110 + ... + 28365907927.

It is an arithmetic number, because the mean of its divisors is an integer number (5815011041395).

Almost surely, 2^{23203312350133} is an apocalyptic number.

It is an amenable number.

23203312350133 is a deficient number, since it is larger than the sum of its proper divisors (56731815447).

23203312350133 is an equidigital number, since it uses as much as digits as its factorization.

23203312350133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56731815446.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 23203312350133 its reverse (33105321330232), we get a palindrome (56308633680365).

The spelling of 23203312350133 in words is "twenty-three trillion, two hundred three billion, three hundred twelve million, three hundred fifty thousand, one hundred thirty-three".