1002023119 has 2 divisors, whose sum is σ = 1002023120. Its totient is φ = 1002023118.

The previous prime is 1002023101. The next prime is 1002023147. The reversal of 1002023119 is 9113202001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002023119 - 2¹¹ = 1002021071 is a prime.

It is a super-2 number, since 2×1002023119² = 2008100662020976322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002023096 and 1002023105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002023179) 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, 501011559 + 501011560.

It is an arithmetic number, because the mean of its divisors is an integer number (501011560).

Almost surely, 2^1002023119 is an apocalyptic number.

1002023119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002023119 is an equidigital number, since it uses as much as digits as its factorization.

1002023119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1002023119 is about 31654.7487590725. The cubic root of 1002023119 is about 1000.6739187315.

The spelling of 1002023119 in words is "one billion, two million, twenty-three thousand, one hundred nineteen".