51132423103 has 2 divisors, whose sum is σ = 51132423104. Its totient is φ = 51132423102.

The previous prime is 51132423079. The next prime is 51132423119. The reversal of 51132423103 is 30132423115.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51132423103 - 2⁹ = 51132422591 is a prime.

It is a super-2 number, since 2×51132423103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51132423163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25566211551 + 25566211552.

It is an arithmetic number, because the mean of its divisors is an integer number (25566211552).

Almost surely, 2^51132423103 is an apocalyptic number.

51132423103 is a deficient number, since it is larger than the sum of its proper divisors (1).

51132423103 is an equidigital number, since it uses as much as digits as its factorization.

51132423103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 51132423103 its reverse (30132423115), we get a palindrome (81264846218).

The spelling of 51132423103 in words is "fifty-one billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred three".