323653653225 has 144 divisors (see below), whose sum is σ = 668862904320. Its totient is φ = 146543155200.

The previous prime is 323653653217. The next prime is 323653653233. The reversal of 323653653225 is 522356356323.

323653653225 is a `hidden beast` number, since 3 + 2 + 3 + 65 + 36 + 532 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (323653653217) and next prime (323653653233).

It is not a de Polignac number, because 323653653225 - 2³ = 323653653217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 112417336 + ... + 112420214.

It is an arithmetic number, because the mean of its divisors is an integer number (4644881280).

Almost surely, 2^323653653225 is an apocalyptic number.

323653653225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

323653653225 is an abundant number, since it is smaller than the sum of its proper divisors (345209251095).

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

323653653225 is a wasteful number, since it uses less digits than its factorization.

323653653225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3552 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 45.

The spelling of 323653653225 in words is "three hundred twenty-three billion, six hundred fifty-three million, six hundred fifty-three thousand, two hundred twenty-five".