1423140232530 has 64 divisors (see below), whose sum is σ = 3418545575808. Its totient is φ = 379169909760.

The previous prime is 1423140232523. The next prime is 1423140232583. The reversal of 1423140232530 is 352320413241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306907372 + ... + 306912008.

It is an arithmetic number, because the mean of its divisors is an integer number (53414774622).

Almost surely, 2^{1423140232530} is an apocalyptic number.

1423140232530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423140232530 is an abundant number, since it is smaller than the sum of its proper divisors (1995405343278).

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

1423140232530 is a wasteful number, since it uses less digits than its factorization.

1423140232530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1423140232530 its reverse (352320413241), we get a palindrome (1775460645771).

The spelling of 1423140232530 in words is "one trillion, four hundred twenty-three billion, one hundred forty million, two hundred thirty-two thousand, five hundred thirty".