123454 has 8 divisors (see below), whose sum is σ = 196128. Its totient is φ = 58080.

The previous prime is 123449. The next prime is 123457. The reversal of 123454 is 454321.

123454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123457) 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, 1782 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (24516).

2¹²³⁴⁵⁴ is an apocalyptic number.

123454 is a deficient number, since it is larger than the sum of its proper divisors (72674).

123454 is a wasteful number, since it uses less digits than its factorization.

123454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650.

The product of its digits is 480, while the sum is 19.

The square root of 123454 is about 351.3602140254. The cubic root of 123454 is about 49.7930109599.

Adding to 123454 its reverse (454321), we get a palindrome (577775).

The spelling of 123454 in words is "one hundred twenty-three thousand, four hundred fifty-four".