123548872597 has 8 divisors (see below), whose sum is σ = 130819548312. Its totient is φ = 116278540800.

The previous prime is 123548872589. The next prime is 123548872633. The reversal of 123548872597 is 795278845321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88967379076 + 34581493521 = 298274^2 + 185961^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 123548872597 - 2³ = 123548872589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123548872567) 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, 1224097 + ... + 1321177.

It is an arithmetic number, because the mean of its divisors is an integer number (16352443539).

Almost surely, 2^123548872597 is an apocalyptic number.

123548872597 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

123548872597 is a deficient number, since it is larger than the sum of its proper divisors (7270675715).

123548872597 is an equidigital number, since it uses as much as digits as its factorization.

123548872597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171959.

The product of its digits is 33868800, while the sum is 61.

The spelling of 123548872597 in words is "one hundred twenty-three billion, five hundred forty-eight million, eight hundred seventy-two thousand, five hundred ninety-seven".