122543441251223 has 4 divisors (see below), whose sum is σ = 122550528391368. Its totient is φ = 122536354111080.

The previous prime is 122543441251211. The next prime is 122543441251261. The reversal of 122543441251223 is 322152144345221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122543441251223 - 2⁶ = 122543441251159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122543441211223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3543544136 + ... + 3543578717.

It is an arithmetic number, because the mean of its divisors is an integer number (30637632097842).

Almost surely, 2^{122543441251223} is an apocalyptic number.

122543441251223 is a deficient number, since it is larger than the sum of its proper divisors (7087140145).

122543441251223 is an equidigital number, since it uses as much as digits as its factorization.

122543441251223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087140144.

The product of its digits is 460800, while the sum is 41.

Adding to 122543441251223 its reverse (322152144345221), we get a palindrome (444695585596444).

The spelling of 122543441251223 in words is "one hundred twenty-two trillion, five hundred forty-three billion, four hundred forty-one million, two hundred fifty-one thousand, two hundred twenty-three".