213623234411450 has 48 divisors (see below), whose sum is σ = 399529497850560. Its totient is φ = 84979372437120.

The previous prime is 213623234411441. The next prime is 213623234411501. The reversal of 213623234411450 is 54114432326312.

It is a super-2 number, since 2×213623234411450² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213623234411398 and 213623234411407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6118355 + ... + 21556454.

It is an arithmetic number, because the mean of its divisors is an integer number (8323531205220).

Almost surely, 2^{213623234411450} is an apocalyptic number.

213623234411450 is a deficient number, since it is larger than the sum of its proper divisors (185906263439110).

213623234411450 is a wasteful number, since it uses less digits than its factorization.

213623234411450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27675671 (or 27675666 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 213623234411450 its reverse (54114432326312), we get a palindrome (267737666737762).

The spelling of 213623234411450 in words is "two hundred thirteen trillion, six hundred twenty-three billion, two hundred thirty-four million, four hundred eleven thousand, four hundred fifty".