23443003139 has 2 divisors, whose sum is σ = 23443003140. Its totient is φ = 23443003138.

The previous prime is 23443003121. The next prime is 23443003193. The reversal of 23443003139 is 93130034432.

Together with next prime (23443003193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23443003139 - 2¹⁶ = 23442937603 is a prime.

It is not a weakly prime, because it can be changed into another prime (23443063139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721501569 + 11721501570.

It is an arithmetic number, because the mean of its divisors is an integer number (11721501570).

Almost surely, 2^23443003139 is an apocalyptic number.

23443003139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443003139 is an equidigital number, since it uses as much as digits as its factorization.

23443003139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 23443003139 in words is "twenty-three billion, four hundred forty-three million, three thousand, one hundred thirty-nine".