23103311233 has 4 divisors (see below), whose sum is σ = 23103638740. Its totient is φ = 23102983728.

The previous prime is 23103311213. The next prime is 23103311237. The reversal of 23103311233 is 33211330132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16334629249 + 6768681984 = 127807^2 + 82272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23103311233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23103311237) 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, 9510 + ... + 215167.

It is an arithmetic number, because the mean of its divisors is an integer number (5775909685).

Almost surely, 2^23103311233 is an apocalyptic number.

It is an amenable number.

23103311233 is a deficient number, since it is larger than the sum of its proper divisors (327507).

23103311233 is a wasteful number, since it uses less digits than its factorization.

23103311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327506.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23103311233 its reverse (33211330132), we get a palindrome (56314641365).

The spelling of 23103311233 in words is "twenty-three billion, one hundred three million, three hundred eleven thousand, two hundred thirty-three".