1423577 has 4 divisors (see below), whose sum is σ = 1434576. Its totient is φ = 1412580.

The previous prime is 1423553. The next prime is 1423579. The reversal of 1423577 is 7753241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423577 - 2⁸ = 1423321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303 + ... + 5564.

It is an arithmetic number, because the mean of its divisors is an integer number (358644).

2^1423577 is an apocalyptic number.

It is an amenable number.

1423577 is a deficient number, since it is larger than the sum of its proper divisors (10999).

1423577 is a wasteful number, since it uses less digits than its factorization.

1423577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10998.

The product of its digits is 5880, while the sum is 29.

The square root of 1423577 is about 1193.1374606473. The cubic root of 1423577 is about 112.4933856193.

It can be divided in two parts, 14 and 23577, that multiplied together give a triangular number (330078 = T₈₁₂).

The spelling of 1423577 in words is "one million, four hundred twenty-three thousand, five hundred seventy-seven".