13123414243515 has 8 divisors (see below), whose sum is σ = 20997462789648. Its totient is φ = 6999154263200.

The previous prime is 13123414243487. The next prime is 13123414243547. The reversal of 13123414243515 is 51534241432131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13123414243515 - 2²³ = 13123405854907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437447141436 + ... + 437447141465.

It is an arithmetic number, because the mean of its divisors is an integer number (2624682848706).

Almost surely, 2^{13123414243515} is an apocalyptic number.

13123414243515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13123414243515 is a deficient number, since it is larger than the sum of its proper divisors (7874048546133).

13123414243515 is an equidigital number, since it uses as much as digits as its factorization.

13123414243515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874894282909.

The product of its digits is 172800, while the sum is 39.

Adding to 13123414243515 its reverse (51534241432131), we get a palindrome (64657655675646).

The spelling of 13123414243515 in words is "thirteen trillion, one hundred twenty-three billion, four hundred fourteen million, two hundred forty-three thousand, five hundred fifteen".