23427406 has 4 divisors (see below), whose sum is σ = 35141112. Its totient is φ = 11713702.

The previous prime is 23427403. The next prime is 23427427. The reversal of 23427406 is 60472432.

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 (23427403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5856850 + ... + 5856853.

It is an arithmetic number, because the mean of its divisors is an integer number (8785278).

Almost surely, 2^23427406 is an apocalyptic number.

23427406 is a deficient number, since it is larger than the sum of its proper divisors (11713706).

23427406 is a wasteful number, since it uses less digits than its factorization.

23427406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11713705.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 23427406 is about 4840.1865666522. The cubic root of 23427406 is about 286.1374711992.

Adding to 23427406 its reverse (60472432), we get a palindrome (83899838).

The spelling of 23427406 in words is "twenty-three million, four hundred twenty-seven thousand, four hundred six".