23223313233157 has 2 divisors, whose sum is σ = 23223313233158. Its totient is φ = 23223313233156.

The previous prime is 23223313233149. The next prime is 23223313233179. The reversal of 23223313233157 is 75133231332232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16419400951396 + 6803912281761 = 4052086^2 + 2608431^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223313233157 - 2³ = 23223313233149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223313233137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611656616578 + 11611656616579.

It is an arithmetic number, because the mean of its divisors is an integer number (11611656616579).

Almost surely, 2^{23223313233157} is an apocalyptic number.

It is an amenable number.

23223313233157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223313233157 is an equidigital number, since it uses as much as digits as its factorization.

23223313233157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 40.

Adding to 23223313233157 its reverse (75133231332232), we get a palindrome (98356544565389).

The spelling of 23223313233157 in words is "twenty-three trillion, two hundred twenty-three billion, three hundred thirteen million, two hundred thirty-three thousand, one hundred fifty-seven".