1023004919 has 2 divisors, whose sum is σ = 1023004920. Its totient is φ = 1023004918.

The previous prime is 1023004901. The next prime is 1023004949. The reversal of 1023004919 is 9194003201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023004919 is a prime.

It is a super-2 number, since 2×1023004919² = 2093078128596393122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023004891 and 1023004900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023004949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511502459 + 511502460.

It is an arithmetic number, because the mean of its divisors is an integer number (511502460).

Almost surely, 2^1023004919 is an apocalyptic number.

1023004919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023004919 is an equidigital number, since it uses as much as digits as its factorization.

1023004919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1023004919 is about 31984.4480802780. The cubic root of 1023004919 is about 1007.6102436078.

The spelling of 1023004919 in words is "one billion, twenty-three million, four thousand, nine hundred nineteen".