1501423 has 32 divisors (see below), whose sum is σ = 2101248. Its totient is φ = 1036800.

The previous prime is 1501411. The next prime is 1501427. The reversal of 1501423 is 3241051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1501423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1501397 and 1501406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40561 + ... + 40597.

It is an arithmetic number, because the mean of its divisors is an integer number (65664).

2^1501423 is an apocalyptic number.

1501423 is a deficient number, since it is larger than the sum of its proper divisors (599825).

1501423 is a wasteful number, since it uses less digits than its factorization.

1501423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1501423 is about 1225.3256709953. The cubic root of 1501423 is about 114.5076112228.

Adding to 1501423 its reverse (3241051), we get a palindrome (4742474).

The spelling of 1501423 in words is "one million, five hundred one thousand, four hundred twenty-three".