4123123406 has 8 divisors (see below), whose sum is σ = 6184990224. Its totient is φ = 2061460000.

The previous prime is 4123123399. The next prime is 4123123409. The reversal of 4123123406 is 6043213214.

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

It is a super-2 number, since 2×4123123406² = 34000293242210081672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123123409) 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, 19031 + ... + 92781.

It is an arithmetic number, because the mean of its divisors is an integer number (773123778).

Almost surely, 2^4123123406 is an apocalyptic number.

4123123406 is a deficient number, since it is larger than the sum of its proper divisors (2061866818).

4123123406 is a wasteful number, since it uses less digits than its factorization.

4123123406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101706.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4123123406 is about 64211.5519669164. The cubic root of 4123123406 is about 1603.5239265054.

The spelling of 4123123406 in words is "four billion, one hundred twenty-three million, one hundred twenty-three thousand, four hundred six".