323434432140 has 48 divisors (see below), whose sum is σ = 926677264128. Its totient is φ = 84243386304.

The previous prime is 323434432129. The next prime is 323434432147. The reversal of 323434432140 is 41234434323.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (323434432147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62678512 + ... + 62683671.

It is an arithmetic number, because the mean of its divisors is an integer number (19305776336).

Almost surely, 2^323434432140 is an apocalyptic number.

323434432140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323434432140 is an abundant number, since it is smaller than the sum of its proper divisors (603242831988).

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

323434432140 is a wasteful number, since it uses less digits than its factorization.

323434432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125362238 (or 125362236 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 323434432140 its reverse (41234434323), we get a palindrome (364668866463).

The spelling of 323434432140 in words is "three hundred twenty-three billion, four hundred thirty-four million, four hundred thirty-two thousand, one hundred forty".