190542728023 has 2 divisors, whose sum is σ = 190542728024. Its totient is φ = 190542728022.

The previous prime is 190542728011. The next prime is 190542728029. The reversal of 190542728023 is 320827245091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190542728023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190542728029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95271364011 + 95271364012.

It is an arithmetic number, because the mean of its divisors is an integer number (95271364012).

Almost surely, 2^190542728023 is an apocalyptic number.

190542728023 is a deficient number, since it is larger than the sum of its proper divisors (1).

190542728023 is an equidigital number, since it uses as much as digits as its factorization.

190542728023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 190542728023 in words is "one hundred ninety billion, five hundred forty-two million, seven hundred twenty-eight thousand, twenty-three".