100235402443 has 16 divisors (see below), whose sum is σ = 115203133440. Its totient is φ = 86251932000.

The previous prime is 100235402437. The next prime is 100235402479. The reversal of 100235402443 is 344204532001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100235402443 - 2⁵ = 100235402411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100235402143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32221 + ... + 448897.

It is an arithmetic number, because the mean of its divisors is an integer number (7200195840).

Almost surely, 2^100235402443 is an apocalyptic number.

100235402443 is a deficient number, since it is larger than the sum of its proper divisors (14967730997).

100235402443 is a wasteful number, since it uses less digits than its factorization.

100235402443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417858.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 100235402443 its reverse (344204532001), we get a palindrome (444439934444).

The spelling of 100235402443 in words is "one hundred billion, two hundred thirty-five million, four hundred two thousand, four hundred forty-three".