23302143251 has 2 divisors, whose sum is σ = 23302143252. Its totient is φ = 23302143250.

The previous prime is 23302143247. The next prime is 23302143259. The reversal of 23302143251 is 15234120332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23302143251 - 2² = 23302143247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23302143251.

It is not a weakly prime, because it can be changed into another prime (23302143259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651071625 + 11651071626.

It is an arithmetic number, because the mean of its divisors is an integer number (11651071626).

Almost surely, 2^23302143251 is an apocalyptic number.

23302143251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23302143251 is an equidigital number, since it uses as much as digits as its factorization.

23302143251 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 26.

Adding to 23302143251 its reverse (15234120332), we get a palindrome (38536263583).

The spelling of 23302143251 in words is "twenty-three billion, three hundred two million, one hundred forty-three thousand, two hundred fifty-one".