123233454379 has 4 divisors (see below), whose sum is σ = 140838233584. Its totient is φ = 105628675176.

The previous prime is 123233454353. The next prime is 123233454391. The reversal of 123233454379 is 973454332321.

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 123233454379 - 2⁹ = 123233453867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123233454349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8802389592 + ... + 8802389605.

It is an arithmetic number, because the mean of its divisors is an integer number (35209558396).

Almost surely, 2^123233454379 is an apocalyptic number.

123233454379 is a deficient number, since it is larger than the sum of its proper divisors (17604779205).

123233454379 is an equidigital number, since it uses as much as digits as its factorization.

123233454379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17604779204.

The product of its digits is 1632960, while the sum is 46.

The spelling of 123233454379 in words is "one hundred twenty-three billion, two hundred thirty-three million, four hundred fifty-four thousand, three hundred seventy-nine".