123445030 has 16 divisors (see below), whose sum is σ = 226929600. Its totient is φ = 48327232.

The previous prime is 123445001. The next prime is 123445037. The reversal of 123445030 is 30544321.

It is a junction number, because it is equal to n+sod(n) for n = 123444992 and 123445010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123445037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130855 + ... + 131794.

It is an arithmetic number, because the mean of its divisors is an integer number (14183100).

Almost surely, 2^123445030 is an apocalyptic number.

123445030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123445030 is a deficient number, since it is larger than the sum of its proper divisors (103484570).

123445030 is a wasteful number, since it uses less digits than its factorization.

123445030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262703.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 123445030 is about 11110.5818929523. The cubic root of 123445030 is about 497.9180496646.

Adding to 123445030 its reverse (30544321), we get a palindrome (153989351).

It can be divided in two parts, 1234 and 45030, that added together give a palindrome (46264).

The spelling of 123445030 in words is "one hundred twenty-three million, four hundred forty-five thousand, thirty".