323645604135 has 64 divisors (see below), whose sum is σ = 632255078400. Its totient is φ = 138073237632.

The previous prime is 323645604131. The next prime is 323645604157. The reversal of 323645604135 is 531406546323.

It is not a de Polignac number, because 323645604135 - 2² = 323645604131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323645604131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1076995 + ... + 1344324.

It is an arithmetic number, because the mean of its divisors is an integer number (9878985600).

Almost surely, 2^323645604135 is an apocalyptic number.

323645604135 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

323645604135 is a deficient number, since it is larger than the sum of its proper divisors (308609474265).

323645604135 is a wasteful number, since it uses less digits than its factorization.

323645604135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421420.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 323645604135 in words is "three hundred twenty-three billion, six hundred forty-five million, six hundred four thousand, one hundred thirty-five".