23401453545251 has 2 divisors, whose sum is σ = 23401453545252. Its totient is φ = 23401453545250.

The previous prime is 23401453545233. The next prime is 23401453545259. The reversal of 23401453545251 is 15254535410432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23401453545251 - 2¹⁴ = 23401453528867 is a prime.

It is not a weakly prime, because it can be changed into another prime (23401453545259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700726772625 + 11700726772626.

It is an arithmetic number, because the mean of its divisors is an integer number (11700726772626).

Almost surely, 2^{23401453545251} is an apocalyptic number.

23401453545251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401453545251 is an equidigital number, since it uses as much as digits as its factorization.

23401453545251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 23401453545251 its reverse (15254535410432), we get a palindrome (38655988955683).

The spelling of 23401453545251 in words is "twenty-three trillion, four hundred one billion, four hundred fifty-three million, five hundred forty-five thousand, two hundred fifty-one".