455126123 has 4 divisors (see below), whose sum is σ = 457079688. Its totient is φ = 453172560.

The previous prime is 455126107. The next prime is 455126143. The reversal of 455126123 is 321621554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321621554 = 2 ⋅160810777.

It is a cyclic number.

It is not a de Polignac number, because 455126123 - 2⁴ = 455126107 is a prime.

It is a super-2 number, since 2×455126123² = 414279575674022258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455126143) 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, 976433 + ... + 976898.

It is an arithmetic number, because the mean of its divisors is an integer number (114269922).

Almost surely, 2^455126123 is an apocalyptic number.

455126123 is a deficient number, since it is larger than the sum of its proper divisors (1953565).

455126123 is a wasteful number, since it uses less digits than its factorization.

455126123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953564.

The product of its digits is 7200, while the sum is 29.

The square root of 455126123 is about 21333.6851715778. The cubic root of 455126123 is about 769.2082281167.

Adding to 455126123 its reverse (321621554), we get a palindrome (776747677).

The spelling of 455126123 in words is "four hundred fifty-five million, one hundred twenty-six thousand, one hundred twenty-three".