23123654 has 4 divisors (see below), whose sum is σ = 34685484. Its totient is φ = 11561826.

The previous prime is 23123563. The next prime is 23123657. The reversal of 23123654 is 45632132.

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 (23123657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780912 + ... + 5780915.

It is an arithmetic number, because the mean of its divisors is an integer number (8671371).

Almost surely, 2^23123654 is an apocalyptic number.

23123654 is a deficient number, since it is larger than the sum of its proper divisors (11561830).

23123654 is a wasteful number, since it uses less digits than its factorization.

23123654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561829.

The product of its digits is 4320, while the sum is 26.

The square root of 23123654 is about 4808.7060629654. The cubic root of 23123654 is about 284.8954330660.

Adding to 23123654 its reverse (45632132), we get a palindrome (68755786).

The spelling of 23123654 in words is "twenty-three million, one hundred twenty-three thousand, six hundred fifty-four".