100230919 has 2 divisors, whose sum is σ = 100230920. Its totient is φ = 100230918.

The previous prime is 100230917. The next prime is 100230961. The reversal of 100230919 is 919032001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100230919 - 2¹ = 100230917 is a prime.

It is a super-2 number, since 2×100230919² = 20092474247169122, which contains 22 as substring.

Together with 100230917, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 100230893 and 100230902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100230917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115459 + 50115460.

It is an arithmetic number, because the mean of its divisors is an integer number (50115460).

Almost surely, 2^100230919 is an apocalyptic number.

100230919 is a deficient number, since it is larger than the sum of its proper divisors (1).

100230919 is an equidigital number, since it uses as much as digits as its factorization.

100230919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 100230919 is about 10011.5392922367. The cubic root of 100230919 is about 464.5158857240.

The spelling of 100230919 in words is "one hundred million, two hundred thirty thousand, nine hundred nineteen".