23355333420 has 48 divisors (see below), whose sum is σ = 65589040608. Its totient is φ = 6209602560.

The previous prime is 23355333403. The next prime is 23355333479. The reversal of 23355333420 is 2433355332.

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, 557311 + ... + 597750.

It is an arithmetic number, because the mean of its divisors is an integer number (1366438346).

Almost surely, 2^23355333420 is an apocalyptic number.

23355333420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23355333420 is an abundant number, since it is smaller than the sum of its proper divisors (42233707188).

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

23355333420 is a wasteful number, since it uses less digits than its factorization.

23355333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155410 (or 1155408 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 33.

Adding to 23355333420 its reverse (2433355332), we get a palindrome (25788688752).

The spelling of 23355333420 in words is "twenty-three billion, three hundred fifty-five million, three hundred thirty-three thousand, four hundred twenty".