193939452023 has 2 divisors, whose sum is σ = 193939452024. Its totient is φ = 193939452022.

The previous prime is 193939451977. The next prime is 193939452041. The reversal of 193939452023 is 320254939391.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (320254939391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193939452023 - 2¹² = 193939447927 is a prime.

It is a super-2 number, since 2×193939452023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193939452053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96969726011 + 96969726012.

It is an arithmetic number, because the mean of its divisors is an integer number (96969726012).

Almost surely, 2^193939452023 is an apocalyptic number.

193939452023 is a deficient number, since it is larger than the sum of its proper divisors (1).

193939452023 is an equidigital number, since it uses as much as digits as its factorization.

193939452023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 193939452023 in words is "one hundred ninety-three billion, nine hundred thirty-nine million, four hundred fifty-two thousand, twenty-three".