123453454 has 4 divisors (see below), whose sum is σ = 185180184. Its totient is φ = 61726726.

The previous prime is 123453389. The next prime is 123453457. The reversal of 123453454 is 454354321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123453457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30863362 + ... + 30863365.

It is an arithmetic number, because the mean of its divisors is an integer number (46295046).

Almost surely, 2^123453454 is an apocalyptic number.

123453454 is a deficient number, since it is larger than the sum of its proper divisors (61726730).

123453454 is an equidigital number, since it uses as much as digits as its factorization.

123453454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61726729.

The product of its digits is 28800, while the sum is 31.

The square root of 123453454 is about 11110.9609845413. The cubic root of 123453454 is about 497.9293755323.

The spelling of 123453454 in words is "one hundred twenty-three million, four hundred fifty-three thousand, four hundred fifty-four".