23023220357 has 2 divisors, whose sum is σ = 23023220358. Its totient is φ = 23023220356.

The previous prime is 23023220249. The next prime is 23023220359. The reversal of 23023220357 is 75302232032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13014018241 + 10009202116 = 114079^2 + 100046^2 .

It is a cyclic number.

It is not a de Polignac number, because 23023220357 - 2¹⁰ = 23023219333 is a prime.

Together with 23023220359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23023220359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511610178 + 11511610179.

It is an arithmetic number, because the mean of its divisors is an integer number (11511610179).

Almost surely, 2^23023220357 is an apocalyptic number.

It is an amenable number.

23023220357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23023220357 is an equidigital number, since it uses as much as digits as its factorization.

23023220357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 29.

Adding to 23023220357 its reverse (75302232032), we get a palindrome (98325452389).

The spelling of 23023220357 in words is "twenty-three billion, twenty-three million, two hundred twenty thousand, three hundred fifty-seven".