13123433103420 has 48 divisors (see below), whose sum is σ = 38012702787360. Its totient is φ = 3378906913536.

The previous prime is 13123433103343. The next prime is 13123433103427. The reversal of 13123433103420 is 2430133432131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123433103427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3771099727 + ... + 3771103206.

It is an arithmetic number, because the mean of its divisors is an integer number (791931308070).

Almost surely, 2^{13123433103420} is an apocalyptic number.

13123433103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123433103420 is an abundant number, since it is smaller than the sum of its proper divisors (24889269683940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13123433103420 is a wasteful number, since it uses less digits than its factorization.

13123433103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542202974 (or 7542202972 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 13123433103420 its reverse (2430133432131), we get a palindrome (15553566535551).

The spelling of 13123433103420 in words is "thirteen trillion, one hundred twenty-three billion, four hundred thirty-three million, one hundred three thousand, four hundred twenty".