103906523 has 8 divisors (see below), whose sum is σ = 119860992. Its totient is φ = 88229736.

The previous prime is 103906487. The next prime is 103906559. The reversal of 103906523 is 325609301.

It is an interprime number because it is at equal distance from previous prime (103906487) and next prime (103906559).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-103906523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103906223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68615 + ... + 70112.

It is an arithmetic number, because the mean of its divisors is an integer number (14982624).

Almost surely, 2^103906523 is an apocalyptic number.

103906523 is a deficient number, since it is larger than the sum of its proper divisors (15954469).

103906523 is a wasteful number, since it uses less digits than its factorization.

103906523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138841.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 103906523 is about 10193.4549098919. The cubic root of 103906523 is about 470.1260006226.

The spelling of 103906523 in words is "one hundred three million, nine hundred six thousand, five hundred twenty-three".