23333021213 has 2 divisors, whose sum is σ = 23333021214. Its totient is φ = 23333021212.

The previous prime is 23333021197. The next prime is 23333021273. The reversal of 23333021213 is 31212033332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21492439609 + 1840581604 = 146603^2 + 42902^2 .

It is a cyclic number.

It is not a de Polignac number, because 23333021213 - 2⁴ = 23333021197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23333021273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666510606 + 11666510607.

It is an arithmetic number, because the mean of its divisors is an integer number (11666510607).

Almost surely, 2^23333021213 is an apocalyptic number.

It is an amenable number.

23333021213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23333021213 is an equidigital number, since it uses as much as digits as its factorization.

23333021213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23333021213 its reverse (31212033332), we get a palindrome (54545054545).

The spelling of 23333021213 in words is "twenty-three billion, three hundred thirty-three million, twenty-one thousand, two hundred thirteen".