1457161423 has 2 divisors, whose sum is σ = 1457161424. Its totient is φ = 1457161422.

The previous prime is 1457161397. The next prime is 1457161439. The reversal of 1457161423 is 3241617541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1457161423 - 2²¹ = 1455064271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1452161423) 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 as a sum of consecutive naturals, namely, 728580711 + 728580712.

It is an arithmetic number, because the mean of its divisors is an integer number (728580712).

Almost surely, 2^1457161423 is an apocalyptic number.

1457161423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457161423 is an equidigital number, since it uses as much as digits as its factorization.

1457161423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 1457161423 is about 38172.7837994559. The cubic root of 1457161423 is about 1133.7115079841.

Adding to 1457161423 its reverse (3241617541), we get a palindrome (4698778964).

The spelling of 1457161423 in words is "one billion, four hundred fifty-seven million, one hundred sixty-one thousand, four hundred twenty-three".