123898524513 has 8 divisors (see below), whose sum is σ = 165209840928. Its totient is φ = 82593112224.

The previous prime is 123898524479. The next prime is 123898524539. The reversal of 123898524513 is 315425898321.

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

It is not a de Polignac number, because 123898524513 - 2²⁵ = 123864970081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123898524713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426831 + ... + 1511172.

It is an arithmetic number, because the mean of its divisors is an integer number (20651230116).

Almost surely, 2^123898524513 is an apocalyptic number.

It is an amenable number.

123898524513 is a deficient number, since it is larger than the sum of its proper divisors (41311316415).

123898524513 is a wasteful number, since it uses less digits than its factorization.

123898524513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952063.

The product of its digits is 2073600, while the sum is 51.

The spelling of 123898524513 in words is "one hundred twenty-three billion, eight hundred ninety-eight million, five hundred twenty-four thousand, five hundred thirteen".