100723331 has 2 divisors, whose sum is σ = 100723332. Its totient is φ = 100723330.

The previous prime is 100723321. The next prime is 100723339. The reversal of 100723331 is 133327001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100723331 - 2¹⁸ = 100461187 is a prime.

It is a super-2 number, since 2×100723331² = 20290378815471122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100723339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50361665 + 50361666.

It is an arithmetic number, because the mean of its divisors is an integer number (50361666).

Almost surely, 2^100723331 is an apocalyptic number.

100723331 is a deficient number, since it is larger than the sum of its proper divisors (1).

100723331 is an equidigital number, since it uses as much as digits as its factorization.

100723331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 100723331 is about 10036.1013845019. The cubic root of 100723331 is about 465.2753308333.

The spelling of 100723331 in words is "one hundred million, seven hundred twenty-three thousand, three hundred thirty-one".