230121553340 has 48 divisors (see below), whose sum is σ = 553283462592. Its totient is φ = 78757142016.

The previous prime is 230121553327. The next prime is 230121553381. The reversal of 230121553340 is 43355121032.

It is a happy number.

230121553340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×230121553340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397537 + ... + 1553496.

It is an arithmetic number, because the mean of its divisors is an integer number (11526738804).

Almost surely, 2^230121553340 is an apocalyptic number.

230121553340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230121553340 is an abundant number, since it is smaller than the sum of its proper divisors (323161909252).

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

230121553340 is a wasteful number, since it uses less digits than its factorization.

230121553340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951606 (or 2951604 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 230121553340 its reverse (43355121032), we get a palindrome (273476674372).

The spelling of 230121553340 in words is "two hundred thirty billion, one hundred twenty-one million, five hundred fifty-three thousand, three hundred forty".