123430235445 has 48 divisors (see below), whose sum is σ = 247124509632. Its totient is φ = 56324666880.

The previous prime is 123430235443. The next prime is 123430235447. The reversal of 123430235445 is 544532034321.

123430235445 is a `hidden beast` number, since 1 + 234 + 30 + 2 + 354 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (123430235443) and next prime (123430235447).

It is not a de Polignac number, because 123430235445 - 2¹ = 123430235443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123430235443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7325527 + ... + 7342356.

It is an arithmetic number, because the mean of its divisors is an integer number (5148427284).

Almost surely, 2^123430235445 is an apocalyptic number.

123430235445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123430235445 is an abundant number, since it is smaller than the sum of its proper divisors (123694274187).

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

123430235445 is a wasteful number, since it uses less digits than its factorization.

123430235445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14667922 (or 14667919 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 123430235445 its reverse (544532034321), we get a palindrome (667962269766).

The spelling of 123430235445 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred thirty-five thousand, four hundred forty-five".