123475398 has 8 divisors (see below), whose sum is σ = 246950808. Its totient is φ = 41158464.

The previous prime is 123475381. The next prime is 123475423. The reversal of 123475398 is 893574321.

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

123475398 is an admirable number.

It is a super-2 number, since 2×123475398² = 30492347822516808, which contains 22 as substring.

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, 10289611 + ... + 10289622.

It is an arithmetic number, because the mean of its divisors is an integer number (30868851).

Almost surely, 2^123475398 is an apocalyptic number.

123475398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123475398 is a wasteful number, since it uses less digits than its factorization.

123475398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20579238.

The product of its digits is 181440, while the sum is 42.

The square root of 123475398 is about 11111.9484340056. The cubic root of 123475398 is about 497.9588762997.

The spelling of 123475398 in words is "one hundred twenty-three million, four hundred seventy-five thousand, three hundred ninety-eight".