68123454 has 64 divisors (see below), whose sum is σ = 167256576. Its totient is φ = 18054144.

The previous prime is 68123453. The next prime is 68123467. The reversal of 68123454 is 45432186.

It is a super-3 number, since 3×68123454³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68123453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51469 + ... + 52775.

It is an arithmetic number, because the mean of its divisors is an integer number (2613384).

Almost surely, 2^68123454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68123454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83628288).

68123454 is an abundant number, since it is smaller than the sum of its proper divisors (99133122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68123454 is a wasteful number, since it uses less digits than its factorization.

68123454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its digits is 23040, while the sum is 33.

The square root of 68123454 is about 8253.6933550987. The cubic root of 68123454 is about 408.4123690225.

The spelling of 68123454 in words is "sixty-eight million, one hundred twenty-three thousand, four hundred fifty-four".