123032135155010 has 16 divisors (see below), whose sum is σ = 221460194386872. Its totient is φ = 49212331593600.

The previous prime is 123032135155009. The next prime is 123032135155067. The reversal of 123032135155010 is 10551531230321.

It can be written as a sum of positive squares in 4 ways, for example, as 102644192034409 + 20387943120601 = 10131347^2 + 4515301^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64318811 + ... + 66204030.

Almost surely, 2^{123032135155010} is an apocalyptic number.

123032135155010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123032135155010 is a deficient number, since it is larger than the sum of its proper divisors (98428059231862).

123032135155010 is a wasteful number, since it uses less digits than its factorization.

123032135155010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130617109.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 123032135155010 its reverse (10551531230321), we get a palindrome (133583666385331).

The spelling of 123032135155010 in words is "one hundred twenty-three trillion, thirty-two billion, one hundred thirty-five million, one hundred fifty-five thousand, ten".