102023020019 has 2 divisors, whose sum is σ = 102023020020. Its totient is φ = 102023020018.

The previous prime is 102023020009. The next prime is 102023020051. The reversal of 102023020019 is 910020320201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102023020019 - 2²⁴ = 102006242803 is a prime.

It is a super-2 number, since 2×102023020019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102023020009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011510009 + 51011510010.

It is an arithmetic number, because the mean of its divisors is an integer number (51011510010).

Almost surely, 2^102023020019 is an apocalyptic number.

102023020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

102023020019 is an equidigital number, since it uses as much as digits as its factorization.

102023020019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 102023020019 in words is "one hundred two billion, twenty-three million, twenty thousand, nineteen".