123410003505 has 16 divisors (see below), whose sum is σ = 203825554944. Its totient is φ = 63695485440.

The previous prime is 123410003417. The next prime is 123410003531. The reversal of 123410003505 is 505300014321.

It is not a de Polignac number, because 123410003505 - 2¹⁶ = 123409937969 is a prime.

It is a super-2 number, since 2×123410003505² (a number of 23 digits) contains 22 as substring.

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, 132698464 + ... + 132699393.

It is an arithmetic number, because the mean of its divisors is an integer number (12739097184).

Almost surely, 2^123410003505 is an apocalyptic number.

123410003505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123410003505 is a deficient number, since it is larger than the sum of its proper divisors (80415551439).

123410003505 is a wasteful number, since it uses less digits than its factorization.

123410003505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265397896.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 123410003505 its reverse (505300014321), we get a palindrome (628710017826).

The spelling of 123410003505 in words is "one hundred twenty-three billion, four hundred ten million, three thousand, five hundred five".