103512623 has 4 divisors (see below), whose sum is σ = 103666200. Its totient is φ = 103359048.

The previous prime is 103512601. The next prime is 103512649. The reversal of 103512623 is 326215301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326215301 = 13297 ⋅24533.

It is a cyclic number.

It is not a de Polignac number, because 103512623 - 2⁶ = 103512559 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 (103512523) 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, 75773 + ... + 77126.

It is an arithmetic number, because the mean of its divisors is an integer number (25916550).

Almost surely, 2^103512623 is an apocalyptic number.

103512623 is a deficient number, since it is larger than the sum of its proper divisors (153577).

103512623 is an equidigital number, since it uses as much as digits as its factorization.

103512623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153576.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 103512623 is about 10174.1153423774. The cubic root of 103512623 is about 469.5311803176.

Adding to 103512623 its reverse (326215301), we get a palindrome (429727924).

The spelling of 103512623 in words is "one hundred three million, five hundred twelve thousand, six hundred twenty-three".