234578434903 has 2 divisors, whose sum is σ = 234578434904. Its totient is φ = 234578434902.

The previous prime is 234578434891. The next prime is 234578434913. The reversal of 234578434903 is 309434875432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234578434903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234578434913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117289217451 + 117289217452.

It is an arithmetic number, because the mean of its divisors is an integer number (117289217452).

Almost surely, 2^234578434903 is an apocalyptic number.

234578434903 is a deficient number, since it is larger than the sum of its proper divisors (1).

234578434903 is an equidigital number, since it uses as much as digits as its factorization.

234578434903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 234578434903 in words is "two hundred thirty-four billion, five hundred seventy-eight million, four hundred thirty-four thousand, nine hundred three".