22031120123123 has 2 divisors, whose sum is σ = 22031120123124. Its totient is φ = 22031120123122.

The previous prime is 22031120123107. The next prime is 22031120123143. The reversal of 22031120123123 is 32132102113022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22031120123123 - 2⁴ = 22031120123107 is a prime.

It is not a weakly prime, because it can be changed into another prime (22031120123143) by changing a digit.

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 as a sum of consecutive naturals, namely, 11015560061561 + 11015560061562.

It is an arithmetic number, because the mean of its divisors is an integer number (11015560061562).

Almost surely, 2^{22031120123123} is an apocalyptic number.

22031120123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031120123123 is an equidigital number, since it uses as much as digits as its factorization.

22031120123123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22031120123123 its reverse (32132102113022), we get a palindrome (54163222236145).

The spelling of 22031120123123 in words is "twenty-two trillion, thirty-one billion, one hundred twenty million, one hundred twenty-three thousand, one hundred twenty-three".