123133413 has 24 divisors (see below), whose sum is σ = 180052768. Its totient is φ = 74407968.

The previous prime is 123133411. The next prime is 123133427. The reversal of 123133413 is 314331321.

It is not a de Polignac number, because 123133413 - 2¹ = 123133411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123133413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123133411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135306 + ... + 136212.

Almost surely, 2^123133413 is an apocalyptic number.

123133413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123133413 is a deficient number, since it is larger than the sum of its proper divisors (56919355).

123133413 is an equidigital number, since it uses as much as digits as its factorization.

123133413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 982 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 123133413 is about 11096.5495988618. The cubic root of 123133413 is about 497.4987254498.

Adding to 123133413 its reverse (314331321), we get a palindrome (437464734).

The spelling of 123133413 in words is "one hundred twenty-three million, one hundred thirty-three thousand, four hundred thirteen".