12003777523 has 2 divisors, whose sum is σ = 12003777524. Its totient is φ = 12003777522.

The previous prime is 12003777517. The next prime is 12003777547. The reversal of 12003777523 is 32577730021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12003777523 - 2¹³ = 12003769331 is a prime.

It is not a weakly prime, because it can be changed into another prime (12003775523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001888761 + 6001888762.

It is an arithmetic number, because the mean of its divisors is an integer number (6001888762).

Almost surely, 2^12003777523 is an apocalyptic number.

12003777523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003777523 is an equidigital number, since it uses as much as digits as its factorization.

12003777523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 37.

The spelling of 12003777523 in words is "twelve billion, three million, seven hundred seventy-seven thousand, five hundred twenty-three".