619704023 has 2 divisors, whose sum is σ = 619704024. Its totient is φ = 619704022.

The previous prime is 619703957. The next prime is 619704031. The reversal of 619704023 is 320407916.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-619704023 is a prime.

It is a super-2 number, since 2×619704023² = 768066152244769058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (619704223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309852011 + 309852012.

It is an arithmetic number, because the mean of its divisors is an integer number (309852012).

Almost surely, 2^619704023 is an apocalyptic number.

619704023 is a deficient number, since it is larger than the sum of its proper divisors (1).

619704023 is an equidigital number, since it uses as much as digits as its factorization.

619704023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 619704023 is about 24893.8551253115. The cubic root of 619704023 is about 852.5661884782.

The spelling of 619704023 in words is "six hundred nineteen million, seven hundred four thousand, twenty-three".