245343322312043 has 4 divisors (see below), whose sum is σ = 245365571649480. Its totient is φ = 245321072974608.

The previous prime is 245343322311977. The next prime is 245343322312069. The reversal of 245343322312043 is 340213223343542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245343322312043 - 2²⁴ = 245343305534827 is a prime.

It is a super-2 number, since 2×245343322312043² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245343322312243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11124652178 + ... + 11124674231.

It is an arithmetic number, because the mean of its divisors is an integer number (61341392912370).

Almost surely, 2^{245343322312043} is an apocalyptic number.

245343322312043 is a deficient number, since it is larger than the sum of its proper divisors (22249337437).

245343322312043 is a wasteful number, since it uses less digits than its factorization.

245343322312043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22249337436.

The product of its (nonzero) digits is 1244160, while the sum is 41.

Adding to 245343322312043 its reverse (340213223343542), we get a palindrome (585556545655585).

The spelling of 245343322312043 in words is "two hundred forty-five trillion, three hundred forty-three billion, three hundred twenty-two million, three hundred twelve thousand, forty-three".