611112623 has 16 divisors (see below), whose sum is σ = 675216000. Its totient is φ = 548482080.

The previous prime is 611112613. The next prime is 611112629. The reversal of 611112623 is 326211116.

It is a cyclic number.

It is not a de Polignac number, because 611112623 - 2⁶ = 611112559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611112629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292340 + ... + 294422.

It is an arithmetic number, because the mean of its divisors is an integer number (42201000).

Almost surely, 2^611112623 is an apocalyptic number.

611112623 is a deficient number, since it is larger than the sum of its proper divisors (64103377).

611112623 is a wasteful number, since it uses less digits than its factorization.

611112623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its digits is 432, while the sum is 23.

The square root of 611112623 is about 24720.6922030917. The cubic root of 611112623 is about 848.6079280941.

Adding to 611112623 its reverse (326211116), we get a palindrome (937323739).

The spelling of 611112623 in words is "six hundred eleven million, one hundred twelve thousand, six hundred twenty-three".