123480535798 has 4 divisors (see below), whose sum is σ = 185220803700. Its totient is φ = 61740267898.

The previous prime is 123480535747. The next prime is 123480535837. The reversal of 123480535798 is 897535084321.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×123480535798² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30870133948 + ... + 30870133951.

It is an arithmetic number, because the mean of its divisors is an integer number (46305200925).

Almost surely, 2^123480535798 is an apocalyptic number.

123480535798 is a deficient number, since it is larger than the sum of its proper divisors (61740267902).

123480535798 is an equidigital number, since it uses as much as digits as its factorization.

123480535798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61740267901.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 123480535798 in words is "one hundred twenty-three billion, four hundred eighty million, five hundred thirty-five thousand, seven hundred ninety-eight".