103456993 has 4 divisors (see below), whose sum is σ = 103515328. Its totient is φ = 103398660.

The previous prime is 103456963. The next prime is 103457017. The reversal of 103456993 is 399654301.

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: 399654301 = 47 ⋅8503283.

It is a cyclic number.

It is not a de Polignac number, because 103456993 - 2¹³ = 103448801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103456943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26421 + ... + 30082.

It is an arithmetic number, because the mean of its divisors is an integer number (25878832).

Almost surely, 2^103456993 is an apocalyptic number.

It is an amenable number.

103456993 is a deficient number, since it is larger than the sum of its proper divisors (58335).

103456993 is an equidigital number, since it uses as much as digits as its factorization.

103456993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58334.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 103456993 is about 10171.3810763337. The cubic root of 103456993 is about 469.4470530574.

The spelling of 103456993 in words is "one hundred three million, four hundred fifty-six thousand, nine hundred ninety-three".