611623345443 has 16 divisors (see below), whose sum is σ = 908562341376. Its totient is φ = 362793988640.

The previous prime is 611623345409. The next prime is 611623345457. The reversal of 611623345443 is 344543326116.

It is a cyclic number.

It is not a de Polignac number, because 611623345443 - 2¹⁰ = 611623344419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611623345395 and 611623345404.

It is not an unprimeable number, because it can be changed into a prime (611623344443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197169096 + ... + 197172197.

It is an arithmetic number, because the mean of its divisors is an integer number (56785146336).

Almost surely, 2^611623345443 is an apocalyptic number.

611623345443 is a deficient number, since it is larger than the sum of its proper divisors (296938995933).

611623345443 is a wasteful number, since it uses less digits than its factorization.

611623345443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394341354.

The product of its digits is 622080, while the sum is 42.

The spelling of 611623345443 in words is "six hundred eleven billion, six hundred twenty-three million, three hundred forty-five thousand, four hundred forty-three".