100043427 has 8 divisors (see below), whose sum is σ = 145517760. Its totient is φ = 60632360.

The previous prime is 100043423. The next prime is 100043431. The reversal of 100043427 is 724340001.

It is an interprime number because it is at equal distance from previous prime (100043423) and next prime (100043431).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100043427 - 2² = 100043423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100043423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515777 + ... + 1515842.

It is an arithmetic number, because the mean of its divisors is an integer number (18189720).

Almost surely, 2^100043427 is an apocalyptic number.

100043427 is a deficient number, since it is larger than the sum of its proper divisors (45474333).

100043427 is a wasteful number, since it uses less digits than its factorization.

100043427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031633.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 100043427 is about 10002.1711143131. The cubic root of 100043427 is about 464.2260637302.

Adding to 100043427 its reverse (724340001), we get a palindrome (824383428).

It can be divided in two parts, 10004 and 3427, that added together give a palindrome (13431).

The spelling of 100043427 in words is "one hundred million, forty-three thousand, four hundred twenty-seven".