23130333257 has 2 divisors, whose sum is σ = 23130333258. Its totient is φ = 23130333256.

The previous prime is 23130333209. The next prime is 23130333269. The reversal of 23130333257 is 75233303132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21441452041 + 1688881216 = 146429^2 + 41096^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130333257 - 2¹⁸ = 23130071113 is a prime.

It is not a weakly prime, because it can be changed into another prime (23130233257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565166628 + 11565166629.

It is an arithmetic number, because the mean of its divisors is an integer number (11565166629).

Almost surely, 2^23130333257 is an apocalyptic number.

It is an amenable number.

23130333257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130333257 is an equidigital number, since it uses as much as digits as its factorization.

23130333257 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23130333257 its reverse (75233303132), we get a palindrome (98363636389).

The spelling of 23130333257 in words is "twenty-three billion, one hundred thirty million, three hundred thirty-three thousand, two hundred fifty-seven".