13123421041530 has 32 divisors (see below), whose sum is σ = 32512217292288. Its totient is φ = 3386689300800.

The previous prime is 13123421041529. The next prime is 13123421041531. The reversal of 13123421041530 is 3514012432131.

It is an interprime number because it is at equal distance from previous prime (13123421041529) and next prime (13123421041531).

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

It is not an unprimeable number, because it can be changed into a prime (13123421041531) 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, 7055601781 + ... + 7055603640.

It is an arithmetic number, because the mean of its divisors is an integer number (1016006790384).

Almost surely, 2^{13123421041530} is an apocalyptic number.

13123421041530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123421041530 is an abundant number, since it is smaller than the sum of its proper divisors (19388796250758).

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

13123421041530 is a wasteful number, since it uses less digits than its factorization.

13123421041530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14111205462.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 13123421041530 its reverse (3514012432131), we get a palindrome (16637433473661).

The spelling of 13123421041530 in words is "thirteen trillion, one hundred twenty-three billion, four hundred twenty-one million, forty-one thousand, five hundred thirty".