123198853955 has 8 divisors (see below), whose sum is σ = 150045171792. Its totient is φ = 97088051808.

The previous prime is 123198853937. The next prime is 123198853963. The reversal of 123198853955 is 559358891321.

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 123198853955 - 2⁶ = 123198853891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123198853894 and 123198853903.

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, 183878552 + ... + 183879221.

It is an arithmetic number, because the mean of its divisors is an integer number (18755646474).

Almost surely, 2^123198853955 is an apocalyptic number.

123198853955 is a deficient number, since it is larger than the sum of its proper divisors (26846317837).

123198853955 is an equidigital number, since it uses as much as digits as its factorization.

123198853955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367757845.

The product of its digits is 11664000, while the sum is 59.

The spelling of 123198853955 in words is "one hundred twenty-three billion, one hundred ninety-eight million, eight hundred fifty-three thousand, nine hundred fifty-five".