123303345 has 32 divisors (see below), whose sum is σ = 224584704. Its totient is φ = 57182400.

The previous prime is 123303283. The next prime is 123303347. The reversal of 123303345 is 543303321.

It is a happy number.

It is not a de Polignac number, because 123303345 - 2¹⁰ = 123302321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123303347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12451 + ... + 20040.

It is an arithmetic number, because the mean of its divisors is an integer number (7018272).

Almost surely, 2^123303345 is an apocalyptic number.

123303345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123303345 is a deficient number, since it is larger than the sum of its proper divisors (101281359).

123303345 is a wasteful number, since it uses less digits than its factorization.

123303345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32533.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 123303345 is about 11104.2039336460. The cubic root of 123303345 is about 497.7274802898.

Subtracting from 123303345 its sum of digits (24), we obtain a palindrome (123303321).

Adding to 123303345 its reverse (543303321), we get a palindrome (666606666).

The spelling of 123303345 in words is "one hundred twenty-three million, three hundred three thousand, three hundred forty-five".