23123027 has 4 divisors (see below), whose sum is σ = 24128400. Its totient is φ = 22117656.

The previous prime is 23122991. The next prime is 23123029. The reversal of 23123027 is 72032132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23123027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502652 + ... + 502697.

It is an arithmetic number, because the mean of its divisors is an integer number (6032100).

Almost surely, 2^23123027 is an apocalyptic number.

23123027 is a deficient number, since it is larger than the sum of its proper divisors (1005373).

23123027 is a wasteful number, since it uses less digits than its factorization.

23123027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005372.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 23123027 is about 4808.6408682704. The cubic root of 23123027 is about 284.8928580542.

Adding to 23123027 its reverse (72032132), we get a palindrome (95155159).

The spelling of 23123027 in words is "twenty-three million, one hundred twenty-three thousand, twenty-seven".