123451314223 has 4 divisors (see below), whose sum is σ = 123576901488. Its totient is φ = 123325726960.

The previous prime is 123451314211. The next prime is 123451314227. The reversal of 123451314223 is 322413154321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322413154321 = 28309 ⋅11389069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123451314223 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 (123451314227) 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 in 3 ways as a sum of consecutive naturals, for example, 62792158 + ... + 62794123.

It is an arithmetic number, because the mean of its divisors is an integer number (30894225372).

Almost surely, 2^123451314223 is an apocalyptic number.

123451314223 is a deficient number, since it is larger than the sum of its proper divisors (125587265).

123451314223 is an equidigital number, since it uses as much as digits as its factorization.

123451314223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125587264.

The product of its digits is 17280, while the sum is 31.

Adding to 123451314223 its reverse (322413154321), we get a palindrome (445864468544).

The spelling of 123451314223 in words is "one hundred twenty-three billion, four hundred fifty-one million, three hundred fourteen thousand, two hundred twenty-three".