103406623 has 2 divisors, whose sum is σ = 103406624. Its totient is φ = 103406622.

The previous prime is 103406621. The next prime is 103406647. The reversal of 103406623 is 326604301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103406623 - 2¹ = 103406621 is a prime.

Together with 103406621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103406621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51703311 + 51703312.

It is an arithmetic number, because the mean of its divisors is an integer number (51703312).

Almost surely, 2^103406623 is an apocalyptic number.

103406623 is a deficient number, since it is larger than the sum of its proper divisors (1).

103406623 is an equidigital number, since it uses as much as digits as its factorization.

103406623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 103406623 is about 10168.9047099479. The cubic root of 103406623 is about 469.3708542881.

The spelling of 103406623 in words is "one hundred three million, four hundred six thousand, six hundred twenty-three".