23012623 has 2 divisors, whose sum is σ = 23012624. Its totient is φ = 23012622.

The previous prime is 23012617. The next prime is 23012687. The reversal of 23012623 is 32621032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23012623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23012623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23012723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506311 + 11506312.

It is an arithmetic number, because the mean of its divisors is an integer number (11506312).

Almost surely, 2^23012623 is an apocalyptic number.

23012623 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012623 is an equidigital number, since it uses as much as digits as its factorization.

23012623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23012623 is about 4797.1473815175. The cubic root of 23012623 is about 284.4387147498.

Adding to 23012623 its reverse (32621032), we get a palindrome (55633655).

The spelling of 23012623 in words is "twenty-three million, twelve thousand, six hundred twenty-three".