103021243443 has 10 divisors (see below), whose sum is σ = 153895931684. Its totient is φ = 68680828908.

The previous prime is 103021243421. The next prime is 103021243487. The reversal of 103021243443 is 344342120301.

103021243443 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 212 + 4 + 3 + 443 = 666.

It is not a de Polignac number, because 103021243443 - 2²⁵ = 102987689011 is a prime.

It is a super-2 number, since 2×103021243443² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103021243043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 635933521 + ... + 635933682.

Almost surely, 2^103021243443 is an apocalyptic number.

103021243443 is a deficient number, since it is larger than the sum of its proper divisors (50874688241).

103021243443 is an equidigital number, since it uses as much as digits as its factorization.

103021243443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271867215 (or 1271867206 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 103021243443 its reverse (344342120301), we get a palindrome (447363363744).

The spelling of 103021243443 in words is "one hundred three billion, twenty-one million, two hundred forty-three thousand, four hundred forty-three".