57212105023 has 8 divisors (see below), whose sum is σ = 57447482400. Its totient is φ = 56976863328.

The previous prime is 57212105009. The next prime is 57212105029. The reversal of 57212105023 is 32050121275.

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 57212105023 - 2²¹ = 57210007871 is a prime.

It is a super-2 number, since 2×57212105023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57212104982 and 57212105000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57212105029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859213 + ... + 923401.

It is an arithmetic number, because the mean of its divisors is an integer number (7180935300).

Almost surely, 2^57212105023 is an apocalyptic number.

57212105023 is a deficient number, since it is larger than the sum of its proper divisors (235377377).

57212105023 is a wasteful number, since it uses less digits than its factorization.

57212105023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67841.

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 57212105023 its reverse (32050121275), we get a palindrome (89262226298).

The spelling of 57212105023 in words is "fifty-seven billion, two hundred twelve million, one hundred five thousand, twenty-three".