122554455223443 has 16 divisors (see below), whose sum is σ = 173058564704256. Its totient is φ = 76878908516480.

The previous prime is 122554455223429. The next prime is 122554455223463. The reversal of 122554455223443 is 344322554455221.

It is a cyclic number.

It is not a de Polignac number, because 122554455223443 - 2⁴ = 122554455223427 is a prime.

It is a super-2 number, since 2×122554455223443² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (122554455223463) 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, 281101371 + ... + 281537012.

It is an arithmetic number, because the mean of its divisors is an integer number (10816160294016).

Almost surely, 2^{122554455223443} is an apocalyptic number.

122554455223443 is a deficient number, since it is larger than the sum of its proper divisors (50504109480813).

122554455223443 is a wasteful number, since it uses less digits than its factorization.

122554455223443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562642674.

The product of its digits is 23040000, while the sum is 51.

The spelling of 122554455223443 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, four hundred fifty-five million, two hundred twenty-three thousand, four hundred forty-three".