234406378727 has 2 divisors, whose sum is σ = 234406378728. Its totient is φ = 234406378726.

The previous prime is 234406378691. The next prime is 234406378747. The reversal of 234406378727 is 727873604432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234406378727 - 2¹⁴ = 234406362343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234406378747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117203189363 + 117203189364.

It is an arithmetic number, because the mean of its divisors is an integer number (117203189364).

Almost surely, 2^234406378727 is an apocalyptic number.

234406378727 is a deficient number, since it is larger than the sum of its proper divisors (1).

234406378727 is an equidigital number, since it uses as much as digits as its factorization.

234406378727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9483264, while the sum is 53.

The spelling of 234406378727 in words is "two hundred thirty-four billion, four hundred six million, three hundred seventy-eight thousand, seven hundred twenty-seven".