100123434444 has 48 divisors (see below), whose sum is σ = 255807175680. Its totient is φ = 30227634240.

The previous prime is 100123434431. The next prime is 100123434457. The reversal of 100123434444 is 444434321001.

It is an interprime number because it is at equal distance from previous prime (100123434431) and next prime (100123434457).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374364 + ... + 1445379.

It is an arithmetic number, because the mean of its divisors is an integer number (5329316160).

Almost surely, 2^100123434444 is an apocalyptic number.

It is an amenable number.

100123434444 is an abundant number, since it is smaller than the sum of its proper divisors (155683741236).

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

100123434444 is a wasteful number, since it uses less digits than its factorization.

100123434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820030 (or 2820028 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 100123434444 its reverse (444434321001), we get a palindrome (544557755445).

The spelling of 100123434444 in words is "one hundred billion, one hundred twenty-three million, four hundred thirty-four thousand, four hundred forty-four".