123431040300 has 36 divisors (see below), whose sum is σ = 357127144136. Its totient is φ = 32914944000.

The previous prime is 123431040277. The next prime is 123431040323. The reversal of 123431040300 is 3040134321.

It is an interprime number because it is at equal distance from previous prime (123431040277) and next prime (123431040323).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 205718101 + ... + 205718700.

Almost surely, 2^123431040300 is an apocalyptic number.

123431040300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123431040300 is an abundant number, since it is smaller than the sum of its proper divisors (233696103836).

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

123431040300 is a wasteful number, since it uses less digits than its factorization.

123431040300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411436818 (or 411436811 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123431040300 its reverse (3040134321), we get a palindrome (126471174621).

The spelling of 123431040300 in words is "one hundred twenty-three billion, four hundred thirty-one million, forty thousand, three hundred".