187455340823 has 2 divisors, whose sum is σ = 187455340824. Its totient is φ = 187455340822.

The previous prime is 187455340799. The next prime is 187455340841. The reversal of 187455340823 is 328043554781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 187455340823 - 2¹⁴ = 187455324439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187455340843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93727670411 + 93727670412.

It is an arithmetic number, because the mean of its divisors is an integer number (93727670412).

Almost surely, 2^187455340823 is an apocalyptic number.

187455340823 is a deficient number, since it is larger than the sum of its proper divisors (1).

187455340823 is an equidigital number, since it uses as much as digits as its factorization.

187455340823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 187455340823 in words is "one hundred eighty-seven billion, four hundred fifty-five million, three hundred forty thousand, eight hundred twenty-three".