44423657 has 2 divisors, whose sum is σ = 44423658. Its totient is φ = 44423656.

The previous prime is 44423641. The next prime is 44423663. The reversal of 44423657 is 75632444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 14622976 = 5459^2 + 3824^2 .

It is a cyclic number.

It is not a de Polignac number, because 44423657 - 2⁴ = 44423641 is a prime.

It is a super-2 number, since 2×44423657² = 3946922602507298, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2685419 and since 44423657 and 2685419 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (44423627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22211828 + 22211829.

It is an arithmetic number, because the mean of its divisors is an integer number (22211829).

Almost surely, 2^44423657 is an apocalyptic number.

It is an amenable number.

44423657 is a deficient number, since it is larger than the sum of its proper divisors (1).

44423657 is an equidigital number, since it uses as much as digits as its factorization.

44423657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 35.

The square root of 44423657 is about 6665.1074259910. The cubic root of 44423657 is about 354.1642895588.

The spelling of 44423657 in words is "forty-four million, four hundred twenty-three thousand, six hundred fifty-seven".