101433340243 has 4 divisors (see below), whose sum is σ = 101590115760. Its totient is φ = 101276564728.

The previous prime is 101433340237. The next prime is 101433340259. The reversal of 101433340243 is 342043334101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342043334101 = 7 ⋅48863333443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101433340243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101433343243) 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, 78386788 + ... + 78388081.

It is an arithmetic number, because the mean of its divisors is an integer number (25397528940).

Almost surely, 2^101433340243 is an apocalyptic number.

101433340243 is a deficient number, since it is larger than the sum of its proper divisors (156775517).

101433340243 is an equidigital number, since it uses as much as digits as its factorization.

101433340243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156775516.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 101433340243 its reverse (342043334101), we get a palindrome (443476674344).

The spelling of 101433340243 in words is "one hundred one billion, four hundred thirty-three million, three hundred forty thousand, two hundred forty-three".