4423157 has 2 divisors, whose sum is σ = 4423158. Its totient is φ = 4423156.

The previous prime is 4423127. The next prime is 4423163. The reversal of 4423157 is 7513244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 790321 = 1906^2 + 889^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423157 - 2¹⁸ = 4161013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211578 + 2211579.

It is an arithmetic number, because the mean of its divisors is an integer number (2211579).

Almost surely, 2^4423157 is an apocalyptic number.

It is an amenable number.

4423157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423157 is an equidigital number, since it uses as much as digits as its factorization.

4423157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 4423157 is about 2103.1302860260. The cubic root of 4423157 is about 164.1512213160.

The spelling of 4423157 in words is "four million, four hundred twenty-three thousand, one hundred fifty-seven".