23212211334133 has 4 divisors (see below), whose sum is σ = 23240903808780. Its totient is φ = 23183518859488.

The previous prime is 23212211334131. The next prime is 23212211334187. The reversal of 23212211334133 is 33143311221232.

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 21649506327409 + 1562705006724 = 4652903^2 + 1250082^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212211334133 - 2¹ = 23212211334131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23212211334095 and 23212211334104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212211334131) 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, 14346236110 + ... + 14346237727.

It is an arithmetic number, because the mean of its divisors is an integer number (5810225952195).

Almost surely, 2^{23212211334133} is an apocalyptic number.

It is an amenable number.

23212211334133 is a deficient number, since it is larger than the sum of its proper divisors (28692474647).

23212211334133 is an equidigital number, since it uses as much as digits as its factorization.

23212211334133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28692474646.

The product of its digits is 15552, while the sum is 31.

Adding to 23212211334133 its reverse (33143311221232), we get a palindrome (56355522555365).

The spelling of 23212211334133 in words is "twenty-three trillion, two hundred twelve billion, two hundred eleven million, three hundred thirty-four thousand, one hundred thirty-three".