230321232440 has 64 divisors (see below), whose sum is σ = 560161072800. Its totient is φ = 84725494272.

The previous prime is 230321232439. The next prime is 230321232469. The reversal of 230321232440 is 44232123032.

It is a super-2 number, since 2×230321232440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683402 + ... + 963161.

Almost surely, 2^230321232440 is an apocalyptic number.

230321232440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230321232440 is an abundant number, since it is smaller than the sum of its proper divisors (329839840360).

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

230321232440 is a wasteful number, since it uses less digits than its factorization.

230321232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646856 (or 1646852 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 230321232440 its reverse (44232123032), we get a palindrome (274553355472).

The spelling of 230321232440 in words is "two hundred thirty billion, three hundred twenty-one million, two hundred thirty-two thousand, four hundred forty".