100454243233 has 2 divisors, whose sum is σ = 100454243234. Its totient is φ = 100454243232.

The previous prime is 100454243191. The next prime is 100454243237. The reversal of 100454243233 is 332342454001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88236920209 + 12217323024 = 297047^2 + 110532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100454243233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100454243195 and 100454243204.

It is not a weakly prime, because it can be changed into another prime (100454243237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50227121616 + 50227121617.

It is an arithmetic number, because the mean of its divisors is an integer number (50227121617).

Almost surely, 2^100454243233 is an apocalyptic number.

It is an amenable number.

100454243233 is a deficient number, since it is larger than the sum of its proper divisors (1).

100454243233 is an equidigital number, since it uses as much as digits as its factorization.

100454243233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 100454243233 its reverse (332342454001), we get a palindrome (432796697234).

The spelling of 100454243233 in words is "one hundred billion, four hundred fifty-four million, two hundred forty-three thousand, two hundred thirty-three".