51221014023 has 8 divisors (see below), whose sum is σ = 69747763968. Its totient is φ = 33420803384.

The previous prime is 51221014021. The next prime is 51221014051. The reversal of 51221014023 is 32041012215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51221014023 - 2¹ = 51221014021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51221014021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181634661 + ... + 181634942.

It is an arithmetic number, because the mean of its divisors is an integer number (8718470496).

Almost surely, 2^51221014023 is an apocalyptic number.

51221014023 is a deficient number, since it is larger than the sum of its proper divisors (18526749945).

51221014023 is a wasteful number, since it uses less digits than its factorization.

51221014023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363269653.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 51221014023 its reverse (32041012215), we get a palindrome (83262026238).

The spelling of 51221014023 in words is "fifty-one billion, two hundred twenty-one million, fourteen thousand, twenty-three".