103423220 has 12 divisors (see below), whose sum is σ = 217188804. Its totient is φ = 41369280.

The previous prime is 103423217. The next prime is 103423231. The reversal of 103423220 is 22324301.

It can be written as a sum of positive squares in 2 ways, for example, as 59413264 + 44009956 = 7708^2 + 6634^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585561 + ... + 2585600.

It is an arithmetic number, because the mean of its divisors is an integer number (18099067).

Almost surely, 2^103423220 is an apocalyptic number.

103423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103423220 is an abundant number, since it is smaller than the sum of its proper divisors (113765584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103423220 is a wasteful number, since it uses less digits than its factorization.

103423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171170 (or 5171168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 103423220 is about 10169.7207434619. The cubic root of 103423220 is about 469.3959646440.

Adding to 103423220 its reverse (22324301), we get a palindrome (125747521).

The spelling of 103423220 in words is "one hundred three million, four hundred twenty-three thousand, two hundred twenty".