675123406 has 4 divisors (see below), whose sum is σ = 1012685112. Its totient is φ = 337561702.

The previous prime is 675123403. The next prime is 675123467. The reversal of 675123406 is 604321576.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×675123406² = 911583226658081672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675123401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168780850 + ... + 168780853.

It is an arithmetic number, because the mean of its divisors is an integer number (253171278).

Almost surely, 2^675123406 is an apocalyptic number.

675123406 is a deficient number, since it is larger than the sum of its proper divisors (337561706).

675123406 is a wasteful number, since it uses less digits than its factorization.

675123406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337561705.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 675123406 is about 25983.1369545711. The cubic root of 675123406 is about 877.2587761817.

The spelling of 675123406 in words is "six hundred seventy-five million, one hundred twenty-three thousand, four hundred six".