51153106923 has 12 divisors (see below), whose sum is σ = 73890902280. Its totient is φ = 34100649216.

The previous prime is 51153106871. The next prime is 51153106937. The reversal of 51153106923 is 32960135115.

It is a happy number.

51153106923 is a `hidden beast` number, since 511 + 53 + 1 + 0 + 6 + 92 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-51153106923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51153106223) 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, 138688 + ... + 348626.

It is an arithmetic number, because the mean of its divisors is an integer number (6157575190).

Almost surely, 2^51153106923 is an apocalyptic number.

51153106923 is a deficient number, since it is larger than the sum of its proper divisors (22737795357).

51153106923 is a wasteful number, since it uses less digits than its factorization.

51153106923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237018 (or 237015 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The spelling of 51153106923 in words is "fifty-one billion, one hundred fifty-three million, one hundred six thousand, nine hundred twenty-three".