103420515143 has 4 divisors (see below), whose sum is σ = 112822380168. Its totient is φ = 94018650120.

The previous prime is 103420515103. The next prime is 103420515157. The reversal of 103420515143 is 341515024301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103420515143 - 2¹⁴ = 103420498759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420515103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700932496 + ... + 4700932517.

It is an arithmetic number, because the mean of its divisors is an integer number (28205595042).

Almost surely, 2^103420515143 is an apocalyptic number.

103420515143 is a deficient number, since it is larger than the sum of its proper divisors (9401865025).

103420515143 is an equidigital number, since it uses as much as digits as its factorization.

103420515143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401865024.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 103420515143 its reverse (341515024301), we get a palindrome (444935539444).

The spelling of 103420515143 in words is "one hundred three billion, four hundred twenty million, five hundred fifteen thousand, one hundred forty-three".