103964543 has 4 divisors (see below), whose sum is σ = 104348448. Its totient is φ = 103580640.

The previous prime is 103964533. The next prime is 103964551. The reversal of 103964543 is 345469301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103964543 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 (103964513) 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, 191546 + ... + 192087.

It is an arithmetic number, because the mean of its divisors is an integer number (26087112).

Almost surely, 2^103964543 is an apocalyptic number.

103964543 is a deficient number, since it is larger than the sum of its proper divisors (383905).

103964543 is an equidigital number, since it uses as much as digits as its factorization.

103964543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383904.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 103964543 is about 10196.3004565381. The cubic root of 103964543 is about 470.2134883451.

The spelling of 103964543 in words is "one hundred three million, nine hundred sixty-four thousand, five hundred forty-three".