120023063535 has 32 divisors (see below), whose sum is σ = 193452761088. Its totient is φ = 63541941120.

The previous prime is 120023063533. The next prime is 120023063549. The reversal of 120023063535 is 535360320021.

It is not a de Polignac number, because 120023063535 - 2¹ = 120023063533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120023063533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1162689 + ... + 1261701.

It is an arithmetic number, because the mean of its divisors is an integer number (6045398784).

Almost surely, 2^120023063535 is an apocalyptic number.

120023063535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120023063535 is a deficient number, since it is larger than the sum of its proper divisors (73429697553).

120023063535 is a wasteful number, since it uses less digits than its factorization.

120023063535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99615.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 120023063535 its reverse (535360320021), we get a palindrome (655383383556).

The spelling of 120023063535 in words is "one hundred twenty billion, twenty-three million, sixty-three thousand, five hundred thirty-five".