611783423 has 2 divisors, whose sum is σ = 611783424. Its totient is φ = 611783422.

The previous prime is 611783411. The next prime is 611783441. The reversal of 611783423 is 324387116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611783423 - 2⁸ = 611783167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611783453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305891711 + 305891712.

It is an arithmetic number, because the mean of its divisors is an integer number (305891712).

Almost surely, 2^611783423 is an apocalyptic number.

611783423 is a deficient number, since it is larger than the sum of its proper divisors (1).

611783423 is an equidigital number, since it uses as much as digits as its factorization.

611783423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 611783423 is about 24734.2560632011. The cubic root of 611783423 is about 848.9183117136.

The spelling of 611783423 in words is "six hundred eleven million, seven hundred eighty-three thousand, four hundred twenty-three".