122343253234440 has 64 divisors (see below), whose sum is σ = 419462582520960. Its totient is φ = 27964172167680.

The previous prime is 122343253234403. The next prime is 122343253234469. The reversal of 122343253234440 is 44432352343221.

122343253234440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122343253234440² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 122343253234392 and 122343253234401.

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, 72823364181 + ... + 72823365860.

It is an arithmetic number, because the mean of its divisors is an integer number (6554102851890).

Almost surely, 2^{122343253234440} is an apocalyptic number.

122343253234440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122343253234440 is an abundant number, since it is smaller than the sum of its proper divisors (297119329286520).

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

122343253234440 is a wasteful number, since it uses less digits than its factorization.

122343253234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145646730062 (or 145646730058 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 42.

The spelling of 122343253234440 in words is "one hundred twenty-two trillion, three hundred forty-three billion, two hundred fifty-three million, two hundred thirty-four thousand, four hundred forty".