52021405023 has 12 divisors (see below), whose sum is σ = 80686261080. Its totient is φ = 29726517072.

The previous prime is 52021405021. The next prime is 52021405043. The reversal of 52021405023 is 32050412025.

It is not a de Polignac number, because 52021405023 - 2¹ = 52021405021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52021404984 and 52021405002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52021405021) 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, 176943408 + ... + 176943701.

It is an arithmetic number, because the mean of its divisors is an integer number (6723855090).

Almost surely, 2^52021405023 is an apocalyptic number.

52021405023 is a deficient number, since it is larger than the sum of its proper divisors (28664856057).

52021405023 is a wasteful number, since it uses less digits than its factorization.

52021405023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353887126 (or 353887119 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 52021405023 its reverse (32050412025), we get a palindrome (84071817048).

The spelling of 52021405023 in words is "fifty-two billion, twenty-one million, four hundred five thousand, twenty-three".