51413431423 has 2 divisors, whose sum is σ = 51413431424. Its totient is φ = 51413431422.

The previous prime is 51413431411. The next prime is 51413431529. The reversal of 51413431423 is 32413431415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51413431423 - 2¹³ = 51413423231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51413431403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25706715711 + 25706715712.

It is an arithmetic number, because the mean of its divisors is an integer number (25706715712).

Almost surely, 2^51413431423 is an apocalyptic number.

51413431423 is a deficient number, since it is larger than the sum of its proper divisors (1).

51413431423 is an equidigital number, since it uses as much as digits as its factorization.

51413431423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

Adding to 51413431423 its reverse (32413431415), we get a palindrome (83826862838).

The spelling of 51413431423 in words is "fifty-one billion, four hundred thirteen million, four hundred thirty-one thousand, four hundred twenty-three".