1530204423 has 32 divisors (see below), whose sum is σ = 2303188992. Its totient is φ = 895279200.

The previous prime is 1530204397. The next prime is 1530204437. The reversal of 1530204423 is 3244020351.

It is not a de Polignac number, because 1530204423 - 2⁹ = 1530203911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1530204393 and 1530204402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530204443) 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, 476140 + ... + 479342.

It is an arithmetic number, because the mean of its divisors is an integer number (71974656).

Almost surely, 2^1530204423 is an apocalyptic number.

1530204423 is a deficient number, since it is larger than the sum of its proper divisors (772984569).

1530204423 is a wasteful number, since it uses less digits than its factorization.

1530204423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1530204423 is about 39117.8274320034. The cubic root of 1530204423 is about 1152.3466695444.

Adding to 1530204423 its reverse (3244020351), we get a palindrome (4774224774).

The spelling of 1530204423 in words is "one billion, five hundred thirty million, two hundred four thousand, four hundred twenty-three".