23310310100257 has 2 divisors, whose sum is σ = 23310310100258. Its totient is φ = 23310310100256.

The previous prime is 23310310100239. The next prime is 23310310100291. The reversal of 23310310100257 is 75200101301332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20012730126481 + 3297579973776 = 4473559^2 + 1815924^2 .

It is a cyclic number.

It is not a de Polignac number, because 23310310100257 - 2²³ = 23310301711649 is a prime.

It is a super-3 number, since 3×23310310100257³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23310310160257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655155050128 + 11655155050129.

It is an arithmetic number, because the mean of its divisors is an integer number (11655155050129).

Almost surely, 2^{23310310100257} is an apocalyptic number.

It is an amenable number.

23310310100257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23310310100257 is an equidigital number, since it uses as much as digits as its factorization.

23310310100257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 23310310100257 its reverse (75200101301332), we get a palindrome (98510411401589).

The spelling of 23310310100257 in words is "twenty-three trillion, three hundred ten billion, three hundred ten million, one hundred thousand, two hundred fifty-seven".