100423420004 has 6 divisors (see below), whose sum is σ = 175740985014. Its totient is φ = 50211710000.

The previous prime is 100423420001. The next prime is 100423420043. The reversal of 100423420004 is 400024324001.

It can be written as a sum of positive squares in only one way, i.e., 99226260004 + 1197160000 = 315002^2 + 34600^2 .

It is not an unprimeable number, because it can be changed into a prime (100423420001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12552927497 + ... + 12552927504.

It is an arithmetic number, because the mean of its divisors is an integer number (29290164169).

Almost surely, 2^100423420004 is an apocalyptic number.

It is an amenable number.

100423420004 is a deficient number, since it is larger than the sum of its proper divisors (75317565010).

100423420004 is a wasteful number, since it uses less digits than its factorization.

100423420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25105855005 (or 25105855003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 100423420004 its reverse (400024324001), we get a palindrome (500447744005).

The spelling of 100423420004 in words is "one hundred billion, four hundred twenty-three million, four hundred twenty thousand, four".