50121666423 has 48 divisors (see below), whose sum is σ = 78141731616. Its totient is φ = 30845491200.

The previous prime is 50121666377. The next prime is 50121666449. The reversal of 50121666423 is 32466612105.

It is not a de Polignac number, because 50121666423 - 2⁶ = 50121666359 is a prime.

It is a super-2 number, since 2×50121666423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50121666823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1638315 + ... + 1668627.

It is an arithmetic number, because the mean of its divisors is an integer number (1627952742).

Almost surely, 2^50121666423 is an apocalyptic number.

50121666423 is a deficient number, since it is larger than the sum of its proper divisors (28020065193).

50121666423 is a wasteful number, since it uses less digits than its factorization.

50121666423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30544 (or 30541 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 50121666423 in words is "fifty billion, one hundred twenty-one million, six hundred sixty-six thousand, four hundred twenty-three".