23212454400140 has 12 divisors (see below), whose sum is σ = 48746154240336. Its totient is φ = 9284981760048.

The previous prime is 23212454400139. The next prime is 23212454400181. The reversal of 23212454400140 is 4100445421232.

It is a junction number, because it is equal to n+sod(n) for n = 23212454400097 and 23212454400106.

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 3 ways as a sum of consecutive naturals, for example, 580311359984 + ... + 580311360023.

It is an arithmetic number, because the mean of its divisors is an integer number (4062179520028).

Almost surely, 2^{23212454400140} is an apocalyptic number.

23212454400140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212454400140 is an abundant number, since it is smaller than the sum of its proper divisors (25533699840196).

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

23212454400140 is a wasteful number, since it uses less digits than its factorization.

23212454400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160622720016 (or 1160622720014 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 23212454400140 its reverse (4100445421232), we get a palindrome (27312899821372).

The spelling of 23212454400140 in words is "twenty-three trillion, two hundred twelve billion, four hundred fifty-four million, four hundred thousand, one hundred forty".