10420432243 has 8 divisors (see below), whose sum is σ = 11258091936. Its totient is φ = 9587928000.

The previous prime is 10420432207. The next prime is 10420432249. The reversal of 10420432243 is 34223402401.

It is a happy number.

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 10420432243 - 2⁹ = 10420431731 is a prime.

It is a super-2 number, since 2×10420432243² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10420432249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284658 + ... + 1292743.

It is an arithmetic number, because the mean of its divisors is an integer number (1407261492).

Almost surely, 2^10420432243 is an apocalyptic number.

10420432243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10420432243 is a deficient number, since it is larger than the sum of its proper divisors (837659693).

10420432243 is a wasteful number, since it uses less digits than its factorization.

10420432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577725.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 10420432243 its reverse (34223402401), we get a palindrome (44643834644).

The spelling of 10420432243 in words is "ten billion, four hundred twenty million, four hundred thirty-two thousand, two hundred forty-three".