5123405 has 8 divisors (see below), whose sum is σ = 7026432. Its totient is φ = 3513168.

The previous prime is 5123399. The next prime is 5123429. The reversal of 5123405 is 5043215.

5123405 = T₈₁₉ + T₈₂₀ + ... + T₈₃₃.

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 5123405 - 2¹⁶ = 5057869 is a prime.

It is a Curzon 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, 73157 + ... + 73226.

It is an arithmetic number, because the mean of its divisors is an integer number (878304).

Almost surely, 2^5123405 is an apocalyptic number.

It is an amenable number.

5123405 is a deficient number, since it is larger than the sum of its proper divisors (1903027).

5123405 is a wasteful number, since it uses less digits than its factorization.

5123405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146395.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5123405 is about 2263.4939805531. The cubic root of 5123405 is about 172.3929742885.

The spelling of 5123405 in words is "five million, one hundred twenty-three thousand, four hundred five".