23303213357 has 2 divisors, whose sum is σ = 23303213358. Its totient is φ = 23303213356.

The previous prime is 23303213327. The next prime is 23303213371. The reversal of 23303213357 is 75331230332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22784694916 + 518518441 = 150946^2 + 22771^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303213357 - 2⁶ = 23303213293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23303213327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651606678 + 11651606679.

It is an arithmetic number, because the mean of its divisors is an integer number (11651606679).

Almost surely, 2^23303213357 is an apocalyptic number.

It is an amenable number.

23303213357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23303213357 is an equidigital number, since it uses as much as digits as its factorization.

23303213357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 32.

Adding to 23303213357 its reverse (75331230332), we get a palindrome (98634443689).

The spelling of 23303213357 in words is "twenty-three billion, three hundred three million, two hundred thirteen thousand, three hundred fifty-seven".