1423134523 has 8 divisors (see below), whose sum is σ = 1498850000. Its totient is φ = 1347500448.

The previous prime is 1423134521. The next prime is 1423134529. The reversal of 1423134523 is 3254313241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1423134523 - 2¹ = 1423134521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423134491 and 1423134500.

It is not an unprimeable number, because it can be changed into a prime (1423134521) 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, 17353 + ... + 56101.

It is an arithmetic number, because the mean of its divisors is an integer number (187356250).

Almost surely, 2^1423134523 is an apocalyptic number.

1423134523 is a deficient number, since it is larger than the sum of its proper divisors (75715477).

1423134523 is a wasteful number, since it uses less digits than its factorization.

1423134523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40701.

The product of its digits is 8640, while the sum is 28.

The square root of 1423134523 is about 37724.4552379488. The cubic root of 1423134523 is about 1124.8172932590.

Adding to 1423134523 its reverse (3254313241), we get a palindrome (4677447764).

The spelling of 1423134523 in words is "one billion, four hundred twenty-three million, one hundred thirty-four thousand, five hundred twenty-three".