23030134420 has 48 divisors (see below), whose sum is σ = 49651273728. Its totient is φ = 8968778240.

The previous prime is 23030134411. The next prime is 23030134471. The reversal of 23030134420 is 2443103032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23030134391 and 23030134400.

It is a congruent number.

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, 115404 + ... + 243676.

It is an arithmetic number, because the mean of its divisors is an integer number (1034401536).

Almost surely, 2^23030134420 is an apocalyptic number.

23030134420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030134420 is an abundant number, since it is smaller than the sum of its proper divisors (26621139308).

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

23030134420 is a wasteful number, since it uses less digits than its factorization.

23030134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128520 (or 128518 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23030134420 its reverse (2443103032), we get a palindrome (25473237452).

The spelling of 23030134420 in words is "twenty-three billion, thirty million, one hundred thirty-four thousand, four hundred twenty".