535020123 has 16 divisors (see below), whose sum is σ = 779328000. Its totient is φ = 323789280.

The previous prime is 535020121. The next prime is 535020127. The reversal of 535020123 is 321020535.

It is not a de Polignac number, because 535020123 - 2¹ = 535020121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 535020123.

It is not an unprimeable number, because it can be changed into a prime (535020121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12453 + ... + 35001.

It is an arithmetic number, because the mean of its divisors is an integer number (48708000).

Almost surely, 2^535020123 is an apocalyptic number.

535020123 is a deficient number, since it is larger than the sum of its proper divisors (244307877).

535020123 is a wasteful number, since it uses less digits than its factorization.

535020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23282.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 535020123 is about 23130.5020049285. The cubic root of 535020123 is about 811.8143159548.

Adding to 535020123 its reverse (321020535), we get a palindrome (856040658).

The spelling of 535020123 in words is "five hundred thirty-five million, twenty thousand, one hundred twenty-three".