123413894 has 4 divisors (see below), whose sum is σ = 185120844. Its totient is φ = 61706946.

The previous prime is 123413893. The next prime is 123413903. The reversal of 123413894 is 498314321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123413893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30853472 + ... + 30853475.

It is an arithmetic number, because the mean of its divisors is an integer number (46280211).

Almost surely, 2^123413894 is an apocalyptic number.

123413894 is a deficient number, since it is larger than the sum of its proper divisors (61706950).

123413894 is an equidigital number, since it uses as much as digits as its factorization.

123413894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61706949.

The product of its digits is 20736, while the sum is 35.

The square root of 123413894 is about 11109.1806178494. The cubic root of 123413894 is about 497.8761835805.

The spelling of 123413894 in words is "one hundred twenty-three million, four hundred thirteen thousand, eight hundred ninety-four".