281420004323 has 2 divisors, whose sum is σ = 281420004324. Its totient is φ = 281420004322.

The previous prime is 281420004251. The next prime is 281420004361. The reversal of 281420004323 is 323400024182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 281420004323 - 2²² = 281415810019 is a prime.

It is not a weakly prime, because it can be changed into another prime (281420004373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140710002161 + 140710002162.

It is an arithmetic number, because the mean of its divisors is an integer number (140710002162).

Almost surely, 2^281420004323 is an apocalyptic number.

281420004323 is a deficient number, since it is larger than the sum of its proper divisors (1).

281420004323 is an equidigital number, since it uses as much as digits as its factorization.

281420004323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 281420004323 in words is "two hundred eighty-one billion, four hundred twenty million, four thousand, three hundred twenty-three".