103143243 has 16 divisors (see below), whose sum is σ = 158374656. Its totient is φ = 58487520.

The previous prime is 103143223. The next prime is 103143259. The reversal of 103143243 is 342341301.

It is not a de Polignac number, because 103143243 - 2¹⁶ = 103077707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (103143223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15996 + ... + 21497.

It is an arithmetic number, because the mean of its divisors is an integer number (9898416).

Almost surely, 2^103143243 is an apocalyptic number.

103143243 is a deficient number, since it is larger than the sum of its proper divisors (55231413).

103143243 is a wasteful number, since it uses less digits than its factorization.

103143243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37634.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 103143243 is about 10155.9461893021. The cubic root of 103143243 is about 468.9720145815.

Adding to 103143243 its reverse (342341301), we get a palindrome (445484544).

The spelling of 103143243 in words is "one hundred three million, one hundred forty-three thousand, two hundred forty-three".