240200145323 has 4 divisors (see below), whose sum is σ = 240234131760. Its totient is φ = 240166158888.

The previous prime is 240200145259. The next prime is 240200145343. The reversal of 240200145323 is 323541002042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323541002042 = 2 ⋅161770501021.

It is a cyclic number.

It is not a de Polignac number, because 240200145323 - 2⁶ = 240200145259 is a prime.

It is a super-2 number, since 2×240200145323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240200145292 and 240200145301.

It is not an unprimeable number, because it can be changed into a prime (240200145343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16982615 + ... + 16996752.

It is an arithmetic number, because the mean of its divisors is an integer number (60058532940).

Almost surely, 2^240200145323 is an apocalyptic number.

240200145323 is a deficient number, since it is larger than the sum of its proper divisors (33986437).

240200145323 is an equidigital number, since it uses as much as digits as its factorization.

240200145323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33986436.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 240200145323 its reverse (323541002042), we get a palindrome (563741147365).

The spelling of 240200145323 in words is "two hundred forty billion, two hundred million, one hundred forty-five thousand, three hundred twenty-three".