23003434787 has 2 divisors, whose sum is σ = 23003434788. Its totient is φ = 23003434786.

The previous prime is 23003434777. The next prime is 23003434799. The reversal of 23003434787 is 78743430032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23003434787 - 2¹⁶ = 23003369251 is a prime.

It is not a weakly prime, because it can be changed into another prime (23003434777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11501717393 + 11501717394.

It is an arithmetic number, because the mean of its divisors is an integer number (11501717394).

Almost surely, 2^23003434787 is an apocalyptic number.

23003434787 is a deficient number, since it is larger than the sum of its proper divisors (1).

23003434787 is an equidigital number, since it uses as much as digits as its factorization.

23003434787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 23003434787 in words is "twenty-three billion, three million, four hundred thirty-four thousand, seven hundred eighty-seven".