1900200023 has 2 divisors, whose sum is σ = 1900200024. Its totient is φ = 1900200022.

The previous prime is 1900200019. The next prime is 1900200061. The reversal of 1900200023 is 3200020091.

It is a weak prime.

It is an emirp because it is prime and its reverse (3200020091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1900200023 - 2² = 1900200019 is a prime.

It is a super-2 number, since 2×1900200023² = 7221520254818401058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900199974 and 1900200010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1900200623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950100011 + 950100012.

It is an arithmetic number, because the mean of its divisors is an integer number (950100012).

Almost surely, 2^1900200023 is an apocalyptic number.

1900200023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1900200023 is an equidigital number, since it uses as much as digits as its factorization.

1900200023 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 17.

The square root of 1900200023 is about 43591.2837961903. The cubic root of 1900200023 is about 1238.6057914301.

The spelling of 1900200023 in words is "one billion, nine hundred million, two hundred thousand, twenty-three".