101223345 has 32 divisors (see below), whose sum is σ = 170037504. Its totient is φ = 51321600.

The previous prime is 101223341. The next prime is 101223359. The reversal of 101223345 is 543322101.

It is not a de Polignac number, because 101223345 - 2² = 101223341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101223341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61635 + ... + 63255.

It is an arithmetic number, because the mean of its divisors is an integer number (5313672).

Almost surely, 2^101223345 is an apocalyptic number.

101223345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101223345 is a deficient number, since it is larger than the sum of its proper divisors (68814159).

101223345 is a wasteful number, since it uses less digits than its factorization.

101223345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 101223345 is about 10060.9813139673. The cubic root of 101223345 is about 466.0439719170.

Adding to 101223345 its reverse (543322101), we get a palindrome (644545446).

It can be divided in two parts, 101 and 223345, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 101223345 in words is "one hundred one million, two hundred twenty-three thousand, three hundred forty-five".