535721123 has 8 divisors (see below), whose sum is σ = 612954720. Its totient is φ = 458663040.

The previous prime is 535721107. The next prime is 535721141. The reversal of 535721123 is 321127535.

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 535721123 - 2⁴ = 535721107 is a prime.

It is a super-2 number, since 2×535721123² = 573994243256762258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (535721143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37268 + ... + 49601.

It is an arithmetic number, because the mean of its divisors is an integer number (76619340).

Almost surely, 2^535721123 is an apocalyptic number.

535721123 is a deficient number, since it is larger than the sum of its proper divisors (77233597).

535721123 is an equidigital number, since it uses as much as digits as its factorization.

535721123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87757.

The product of its digits is 6300, while the sum is 29.

The square root of 535721123 is about 23145.6501960952. The cubic root of 535721123 is about 812.1687160037.

Adding to 535721123 its reverse (321127535), we get a palindrome (856848658).

The spelling of 535721123 in words is "five hundred thirty-five million, seven hundred twenty-one thousand, one hundred twenty-three".