100422123450 has 96 divisors (see below), whose sum is σ = 274377920832. Its totient is φ = 24103680000.

The previous prime is 100422123437. The next prime is 100422123457. The reversal of 100422123450 is 54321224001.

It is a self number, because there is not a number n which added to its sum of digits gives 100422123450.

It is not an unprimeable number, because it can be changed into a prime (100422123457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134647 + ... + 467946.

It is an arithmetic number, because the mean of its divisors is an integer number (2858103342).

Almost surely, 2^100422123450 is an apocalyptic number.

100422123450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100422123450 is an abundant number, since it is smaller than the sum of its proper divisors (173955797382).

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

100422123450 is a wasteful number, since it uses less digits than its factorization.

100422123450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602720 (or 602715 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 100422123450 its reverse (54321224001), we get a palindrome (154743347451).

The spelling of 100422123450 in words is "one hundred billion, four hundred twenty-two million, one hundred twenty-three thousand, four hundred fifty".