123475438 has 8 divisors (see below), whose sum is σ = 190219032. Its totient is φ = 60069096.

The previous prime is 123475423. The next prime is 123475483. The reversal of 123475438 is 834574321.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 123475397 and 123475406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834220 + ... + 834367.

It is an arithmetic number, because the mean of its divisors is an integer number (23777379).

Almost surely, 2^123475438 is an apocalyptic number.

123475438 is a deficient number, since it is larger than the sum of its proper divisors (66743594).

123475438 is a wasteful number, since it uses less digits than its factorization.

123475438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668626.

The product of its digits is 80640, while the sum is 37.

The square root of 123475438 is about 11111.9502338698. The cubic root of 123475438 is about 497.9589300711.

The spelling of 123475438 in words is "one hundred twenty-three million, four hundred seventy-five thousand, four hundred thirty-eight".