1497543423 has 8 divisors (see below), whose sum is σ = 2010126000. Its totient is φ = 991661568.

The previous prime is 1497543407. The next prime is 1497543427. The reversal of 1497543423 is 3243457941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1497543423 - 2⁴ = 1497543407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497543427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674658 + ... + 1675551.

It is an arithmetic number, because the mean of its divisors is an integer number (251265750).

Almost surely, 2^1497543423 is an apocalyptic number.

1497543423 is a deficient number, since it is larger than the sum of its proper divisors (512582577).

1497543423 is a wasteful number, since it uses less digits than its factorization.

1497543423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350361.

The product of its digits is 362880, while the sum is 42.

The square root of 1497543423 is about 38698.1061939729. The cubic root of 1497543423 is about 1144.0889947292.

The spelling of 1497543423 in words is "one billion, four hundred ninety-seven million, five hundred forty-three thousand, four hundred twenty-three".