68423455 has 8 divisors (see below), whose sum is σ = 82176192. Its totient is φ = 54693408.

The previous prime is 68423447. The next prime is 68423461. The reversal of 68423455 is 55432486.

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

It is a cyclic number.

It is not a de Polignac number, because 68423455 - 2³ = 68423447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882 + ... + 11848.

It is an arithmetic number, because the mean of its divisors is an integer number (10272024).

Almost surely, 2^68423455 is an apocalyptic number.

68423455 is a deficient number, since it is larger than the sum of its proper divisors (13752737).

68423455 is a wasteful number, since it uses less digits than its factorization.

68423455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11345.

The product of its digits is 115200, while the sum is 37.

The square root of 68423455 is about 8271.8471335005. The cubic root of 68423455 is about 409.0110111155.

The spelling of 68423455 in words is "sixty-eight million, four hundred twenty-three thousand, four hundred fifty-five".