123013240252330 has 32 divisors (see below), whose sum is σ = 230383178370000. Its totient is φ = 47233945769472.

The previous prime is 123013240252327. The next prime is 123013240252351. The reversal of 123013240252330 is 33252042310321.

It can be written as a sum of positive squares in 8 ways, for example, as 38575390606281 + 84437849646049 = 6210909^2 + 9189007^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123013240252292 and 123013240252301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225913955 + ... + 1226014294.

Almost surely, 2^{123013240252330} is an apocalyptic number.

123013240252330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123013240252330 is a deficient number, since it is larger than the sum of its proper divisors (107369938117670).

123013240252330 is a wasteful number, since it uses less digits than its factorization.

123013240252330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451928458.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 123013240252330 its reverse (33252042310321), we get a palindrome (156265282562651).

The spelling of 123013240252330 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty million, two hundred fifty-two thousand, three hundred thirty".