83123444 has 12 divisors (see below), whose sum is σ = 145614084. Its totient is φ = 41519424.

The previous prime is 83123407. The next prime is 83123477. The reversal of 83123444 is 44432138.

It can be written as a sum of positive squares in 2 ways, for example, as 53290000 + 29833444 = 7300^2 + 5462^2 .

It is a super-2 number, since 2×83123444² = 13819013884842272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5927 + ... + 14190.

It is an arithmetic number, because the mean of its divisors is an integer number (12134507).

Almost surely, 2^83123444 is an apocalyptic number.

It is an amenable number.

83123444 is a deficient number, since it is larger than the sum of its proper divisors (62490640).

83123444 is a wasteful number, since it uses less digits than its factorization.

83123444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21154 (or 21152 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 83123444 is about 9117.2059316438. The cubic root of 83123444 is about 436.4232136195.

The spelling of 83123444 in words is "eighty-three million, one hundred twenty-three thousand, four hundred forty-four".