23421211401251 has 2 divisors, whose sum is σ = 23421211401252. Its totient is φ = 23421211401250.

The previous prime is 23421211401227. The next prime is 23421211401277. The reversal of 23421211401251 is 15210411212432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23421211401251 - 2¹⁴ = 23421211384867 is a prime.

It is a super-3 number, since 3×23421211401251³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23421211401221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710605700625 + 11710605700626.

It is an arithmetic number, because the mean of its divisors is an integer number (11710605700626).

Almost surely, 2^{23421211401251} is an apocalyptic number.

23421211401251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421211401251 is an equidigital number, since it uses as much as digits as its factorization.

23421211401251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 23421211401251 its reverse (15210411212432), we get a palindrome (38631622613683).

The spelling of 23421211401251 in words is "twenty-three trillion, four hundred twenty-one billion, two hundred eleven million, four hundred one thousand, two hundred fifty-one".