340223550121 has 16 divisors (see below), whose sum is σ = 424472804224. Its totient is φ = 265500353664.

The previous prime is 340223550097. The next prime is 340223550137. The reversal of 340223550121 is 121055322043.

It is not a de Polignac number, because 340223550121 - 2³¹ = 338076066473 is a prime.

It is a super-2 number, since 2×340223550121² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340223550121.

It is not an unprimeable number, because it can be changed into a prime (340223550721) 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, 25601031 + ... + 25614316.

It is an arithmetic number, because the mean of its divisors is an integer number (26529550264).

Almost surely, 2^340223550121 is an apocalyptic number.

It is an amenable number.

340223550121 is a deficient number, since it is larger than the sum of its proper divisors (84249254103).

340223550121 is a wasteful number, since it uses less digits than its factorization.

340223550121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51215440.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 340223550121 its reverse (121055322043), we get a palindrome (461278872164).

The spelling of 340223550121 in words is "three hundred forty billion, two hundred twenty-three million, five hundred fifty thousand, one hundred twenty-one".