103478953 has 4 divisors (see below), whose sum is σ = 103761280. Its totient is φ = 103196628.

The previous prime is 103478939. The next prime is 103478993. The reversal of 103478953 is 359874301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359874301 = 157 ⋅2292193.

It is a cyclic number.

It is not a de Polignac number, because 103478953 - 2¹³ = 103470761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103478923) 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, 140613 + ... + 141346.

It is an arithmetic number, because the mean of its divisors is an integer number (25940320).

Almost surely, 2^103478953 is an apocalyptic number.

It is an amenable number.

103478953 is a deficient number, since it is larger than the sum of its proper divisors (282327).

103478953 is an equidigital number, since it uses as much as digits as its factorization.

103478953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282326.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 103478953 is about 10172.4605184783. The cubic root of 103478953 is about 469.4802659821.

The spelling of 103478953 in words is "one hundred three million, four hundred seventy-eight thousand, nine hundred fifty-three".