100423620198 has 24 divisors (see below), whose sum is σ = 237364920936. Its totient is φ = 30431400000.

The previous prime is 100423620151. The next prime is 100423620203. The reversal of 100423620198 is 891026324001.

100423620198 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 23 + 620 + 1 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253594803 + ... + 253595198.

It is an arithmetic number, because the mean of its divisors is an integer number (9890205039).

Almost surely, 2^100423620198 is an apocalyptic number.

100423620198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100423620198 is an abundant number, since it is smaller than the sum of its proper divisors (136941300738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100423620198 is a wasteful number, since it uses less digits than its factorization.

100423620198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507190020 (or 507190017 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 100423620198 its reverse (891026324001), we get a palindrome (991449944199).

The spelling of 100423620198 in words is "one hundred billion, four hundred twenty-three million, six hundred twenty thousand, one hundred ninety-eight".