100123433 has 2 divisors, whose sum is σ = 100123434. Its totient is φ = 100123432.

The previous prime is 100123423. The next prime is 100123447. The reversal of 100123433 is 334321001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83411689 + 16711744 = 9133^2 + 4088^2 .

It is a cyclic number.

It is not a de Polignac number, because 100123433 - 2⁴ = 100123417 is a prime.

It is not a weakly prime, because it can be changed into another prime (100123403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061716 + 50061717.

It is an arithmetic number, because the mean of its divisors is an integer number (50061717).

Almost surely, 2^100123433 is an apocalyptic number.

It is an amenable number.

100123433 is a deficient number, since it is larger than the sum of its proper divisors (1).

100123433 is an equidigital number, since it uses as much as digits as its factorization.

100123433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 100123433 is about 10006.1697467113. The cubic root of 100123433 is about 464.3497799179.

Adding to 100123433 its reverse (334321001), we get a palindrome (434444434).

The spelling of 100123433 in words is "one hundred million, one hundred twenty-three thousand, four hundred thirty-three".