1232100343645 has 8 divisors (see below), whose sum is σ = 1478700571320. Its totient is φ = 985560168960.

The previous prime is 1232100343567. The next prime is 1232100343667. The reversal of 1232100343645 is 5463430012321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17991661689 + 1214108681956 = 134133^2 + 1101866^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1232100343645 - 2³¹ = 1229952859997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232100343645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14968096 + ... + 15050185.

It is an arithmetic number, because the mean of its divisors is an integer number (184837571415).

Almost surely, 2^{1232100343645} is an apocalyptic number.

It is an amenable number.

1232100343645 is a deficient number, since it is larger than the sum of its proper divisors (246600227675).

1232100343645 is an equidigital number, since it uses as much as digits as its factorization.

1232100343645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30026495.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 1232100343645 its reverse (5463430012321), we get a palindrome (6695530355966).

The spelling of 1232100343645 in words is "one trillion, two hundred thirty-two billion, one hundred million, three hundred forty-three thousand, six hundred forty-five".