51234423045 has 32 divisors (see below), whose sum is σ = 88666435200. Its totient is φ = 25112934144.

The previous prime is 51234423011. The next prime is 51234423083. The reversal of 51234423045 is 54032443215.

It is not a de Polignac number, because 51234423045 - 2¹⁹ = 51233898757 is a prime.

It is a super-2 number, since 2×51234423045² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51234422997 and 51234423015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529015 + ... + 618324.

It is an arithmetic number, because the mean of its divisors is an integer number (2770826100).

Almost surely, 2^51234423045 is an apocalyptic number.

It is an amenable number.

51234423045 is a deficient number, since it is larger than the sum of its proper divisors (37432012155).

51234423045 is a wasteful number, since it uses less digits than its factorization.

51234423045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147589.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 51234423045 in words is "fifty-one billion, two hundred thirty-four million, four hundred twenty-three thousand, forty-five".