103623389 has 2 divisors, whose sum is σ = 103623390. Its totient is φ = 103623388.

The previous prime is 103623383. The next prime is 103623407. The reversal of 103623389 is 983326301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82047364 + 21576025 = 9058^2 + 4645^2 .

It is an emirp because it is prime and its reverse (983326301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103623389 is a prime.

It is a super-3 number, since 3×103623389³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103623383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51811694 + 51811695.

It is an arithmetic number, because the mean of its divisors is an integer number (51811695).

Almost surely, 2^103623389 is an apocalyptic number.

It is an amenable number.

103623389 is a deficient number, since it is larger than the sum of its proper divisors (1).

103623389 is an equidigital number, since it uses as much as digits as its factorization.

103623389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 103623389 is about 10179.5574068817. The cubic root of 103623389 is about 469.6985980664.

The spelling of 103623389 in words is "one hundred three million, six hundred twenty-three thousand, three hundred eighty-nine".