115443032123420 has 48 divisors (see below), whose sum is σ = 242589416021568. Its totient is φ = 46146925063680.

The previous prime is 115443032123401. The next prime is 115443032123429. The reversal of 115443032123420 is 24321230344511.

It is a super-2 number, since 2×115443032123420² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115443032123429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262098617 + ... + 262538703.

It is an arithmetic number, because the mean of its divisors is an integer number (5053946167116).

Almost surely, 2^{115443032123420} is an apocalyptic number.

115443032123420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115443032123420 is an abundant number, since it is smaller than the sum of its proper divisors (127146383898148).

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

115443032123420 is a wasteful number, since it uses less digits than its factorization.

115443032123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448670 (or 448668 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 115443032123420 its reverse (24321230344511), we get a palindrome (139764262467931).

The spelling of 115443032123420 in words is "one hundred fifteen trillion, four hundred forty-three billion, thirty-two million, one hundred twenty-three thousand, four hundred twenty".