1530423223620 has 48 divisors (see below), whose sum is σ = 4285252765248. Its totient is φ = 408106408320.

The previous prime is 1530423223613. The next prime is 1530423223691. The reversal of 1530423223620 is 263223240351.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4551942 + ... + 4876578.

It is an arithmetic number, because the mean of its divisors is an integer number (89276099276).

Almost surely, 2^{1530423223620} is an apocalyptic number.

1530423223620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530423223620 is an abundant number, since it is smaller than the sum of its proper divisors (2754829541628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530423223620 is a wasteful number, since it uses less digits than its factorization.

1530423223620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403220 (or 403218 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 1530423223620 its reverse (263223240351), we get a palindrome (1793646463971).

The spelling of 1530423223620 in words is "one trillion, five hundred thirty billion, four hundred twenty-three million, two hundred twenty-three thousand, six hundred twenty".