201030423019 has 2 divisors, whose sum is σ = 201030423020. Its totient is φ = 201030423018.

The previous prime is 201030422969. The next prime is 201030423047. The reversal of 201030423019 is 910324030102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201030423019 - 2¹¹ = 201030420971 is a prime.

It is a super-2 number, since 2×201030423019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201030422984 and 201030423002.

It is not a weakly prime, because it can be changed into another prime (201030423079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100515211509 + 100515211510.

It is an arithmetic number, because the mean of its divisors is an integer number (100515211510).

Almost surely, 2^201030423019 is an apocalyptic number.

201030423019 is a deficient number, since it is larger than the sum of its proper divisors (1).

201030423019 is an equidigital number, since it uses as much as digits as its factorization.

201030423019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 201030423019 in words is "two hundred one billion, thirty million, four hundred twenty-three thousand, nineteen".