123023535 has 16 divisors (see below), whose sum is σ = 197429856. Its totient is φ = 65415168.

The previous prime is 123023533. The next prime is 123023561. The reversal of 123023535 is 535320321.

It is a happy number.

It is not a de Polignac number, because 123023535 - 2¹ = 123023533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023533) 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, 7114 + ... + 17223.

It is an arithmetic number, because the mean of its divisors is an integer number (12339366).

Almost surely, 2^123023535 is an apocalyptic number.

123023535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123023535 is a deficient number, since it is larger than the sum of its proper divisors (74406321).

123023535 is a wasteful number, since it uses less digits than its factorization.

123023535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24682.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 123023535 is about 11091.5974954016. The cubic root of 123023535 is about 497.3507005514.

Adding to 123023535 its reverse (535320321), we get a palindrome (658343856).

The spelling of 123023535 in words is "one hundred twenty-three million, twenty-three thousand, five hundred thirty-five".