1501542423 has 6 divisors (see below), whose sum is σ = 2168894624. Its totient is φ = 1001028276.

The previous prime is 1501542409. The next prime is 1501542433. The reversal of 1501542423 is 3242451051.

It is not a de Polignac number, because 1501542423 - 2⁸ = 1501542167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501542403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83419015 + ... + 83419032.

Almost surely, 2^1501542423 is an apocalyptic number.

1501542423 is a deficient number, since it is larger than the sum of its proper divisors (667352201).

1501542423 is a wasteful number, since it uses less digits than its factorization.

1501542423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166838053 (or 166838050 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1501542423 is about 38749.7409410695. The cubic root of 1501542423 is about 1145.1064711604.

Adding to 1501542423 its reverse (3242451051), we get a palindrome (4743993474).

The spelling of 1501542423 in words is "one billion, five hundred one million, five hundred forty-two thousand, four hundred twenty-three".