23030040203251 has 2 divisors, whose sum is σ = 23030040203252. Its totient is φ = 23030040203250.

The previous prime is 23030040203249. The next prime is 23030040203371. The reversal of 23030040203251 is 15230204003032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23030040203251 - 2¹ = 23030040203249 is a prime.

It is a super-2 number, since 2×23030040203251² (a number of 28 digits) contains 22 as substring.

Together with 23030040203249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23030040203221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515020101625 + 11515020101626.

It is an arithmetic number, because the mean of its divisors is an integer number (11515020101626).

Almost surely, 2^{23030040203251} is an apocalyptic number.

23030040203251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030040203251 is an equidigital number, since it uses as much as digits as its factorization.

23030040203251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23030040203251 its reverse (15230204003032), we get a palindrome (38260244206283).

The spelling of 23030040203251 in words is "twenty-three trillion, thirty billion, forty million, two hundred three thousand, two hundred fifty-one".