123413530 has 16 divisors (see below), whose sum is σ = 224822304. Its totient is φ = 48770320.

The previous prime is 123413509. The next prime is 123413533. The reversal of 123413530 is 35314321.

It is not an unprimeable number, because it can be changed into a prime (123413533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73516 + ... + 75175.

It is an arithmetic number, because the mean of its divisors is an integer number (14051394).

Almost surely, 2^123413530 is an apocalyptic number.

123413530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123413530 is a deficient number, since it is larger than the sum of its proper divisors (101408774).

123413530 is a wasteful number, since it uses less digits than its factorization.

123413530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148781.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 123413530 is about 11109.1642349909. The cubic root of 123413530 is about 497.8756940973.

Adding to 123413530 its reverse (35314321), we get a palindrome (158727851).

The spelling of 123413530 in words is "one hundred twenty-three million, four hundred thirteen thousand, five hundred thirty".