51088308723 has 12 divisors (see below), whose sum is σ = 73930634128. Its totient is φ = 33995913840.

The previous prime is 51088308721. The next prime is 51088308779. The reversal of 51088308723 is 32780388015.

51088308723 is a `hidden beast` number, since 510 + 8 + 8 + 30 + 87 + 23 = 666.

It is not a de Polignac number, because 51088308723 - 2¹ = 51088308721 is a prime.

It is a super-2 number, since 2×51088308723² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51088308721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5241415 + ... + 5251152.

Almost surely, 2^51088308723 is an apocalyptic number.

51088308723 is a deficient number, since it is larger than the sum of its proper divisors (22842325405).

51088308723 is a wasteful number, since it uses less digits than its factorization.

51088308723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493114 (or 10493111 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 51088308723 in words is "fifty-one billion, eighty-eight million, three hundred eight thousand, seven hundred twenty-three".