454143023 has 4 divisors (see below), whose sum is σ = 455115960. Its totient is φ = 453170088.

The previous prime is 454142993. The next prime is 454143031. The reversal of 454143023 is 320341454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320341454 = 2 ⋅160170727.

It is a cyclic number.

It is not a de Polignac number, because 454143023 - 2¹⁶ = 454077487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454142983 and 454143001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454143043) 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, 485768 + ... + 486701.

It is an arithmetic number, because the mean of its divisors is an integer number (113778990).

Almost surely, 2^454143023 is an apocalyptic number.

454143023 is a deficient number, since it is larger than the sum of its proper divisors (972937).

454143023 is an equidigital number, since it uses as much as digits as its factorization.

454143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972936.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 454143023 is about 21310.6316893704. The cubic root of 454143023 is about 768.6539833988.

Adding to 454143023 its reverse (320341454), we get a palindrome (774484477).

The spelling of 454143023 in words is "four hundred fifty-four million, one hundred forty-three thousand, twenty-three".