23106431251 has 2 divisors, whose sum is σ = 23106431252. Its totient is φ = 23106431250.

The previous prime is 23106431191. The next prime is 23106431269. The reversal of 23106431251 is 15213460132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23106431251 - 2¹⁷ = 23106300179 is a prime.

It is not a weakly prime, because it can be changed into another prime (23106431851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11553215625 + 11553215626.

It is an arithmetic number, because the mean of its divisors is an integer number (11553215626).

Almost surely, 2^23106431251 is an apocalyptic number.

23106431251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23106431251 is an equidigital number, since it uses as much as digits as its factorization.

23106431251 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 28.

Adding to 23106431251 its reverse (15213460132), we get a palindrome (38319891383).

The spelling of 23106431251 in words is "twenty-three billion, one hundred six million, four hundred thirty-one thousand, two hundred fifty-one".