23001019 has 2 divisors, whose sum is σ = 23001020. Its totient is φ = 23001018.

The previous prime is 23001007. The next prime is 23001049. The reversal of 23001019 is 91010032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23001019 - 2⁵ = 23000987 is a prime.

It is a super-2 number, since 2×23001019² = 1058093750076722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23000993 and 23001011.

It is not a weakly prime, because it can be changed into another prime (23001049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500509 + 11500510.

It is an arithmetic number, because the mean of its divisors is an integer number (11500510).

Almost surely, 2^23001019 is an apocalyptic number.

23001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001019 is an equidigital number, since it uses as much as digits as its factorization.

23001019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 23001019 is about 4795.9377602300. The cubic root of 23001019 is about 284.3908977789.

The spelling of 23001019 in words is "twenty-three million, one thousand, nineteen".