30401778023 has 2 divisors, whose sum is σ = 30401778024. Its totient is φ = 30401778022.

The previous prime is 30401778013. The next prime is 30401778037. The reversal of 30401778023 is 32087710403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30401778023 - 2¹⁶ = 30401712487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30401778013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15200889011 + 15200889012.

It is an arithmetic number, because the mean of its divisors is an integer number (15200889012).

Almost surely, 2^30401778023 is an apocalyptic number.

30401778023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30401778023 is an equidigital number, since it uses as much as digits as its factorization.

30401778023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 30401778023 in words is "thirty billion, four hundred one million, seven hundred seventy-eight thousand, twenty-three".