323666265540 has 48 divisors (see below), whose sum is σ = 906290618688. Its totient is φ = 86308616064.

The previous prime is 323666265529. The next prime is 323666265541. The reversal of 323666265540 is 45562666323.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 323666265540.

It is not an unprimeable number, because it can be changed into a prime (323666265541) 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, 3640254 + ... + 3728106.

It is an arithmetic number, because the mean of its divisors is an integer number (18881054556).

Almost surely, 2^323666265540 is an apocalyptic number.

323666265540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323666265540 is an abundant number, since it is smaller than the sum of its proper divisors (582624353148).

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

323666265540 is a wasteful number, since it uses less digits than its factorization.

323666265540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149268 (or 149266 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 323666265540 in words is "three hundred twenty-three billion, six hundred sixty-six million, two hundred sixty-five thousand, five hundred forty".