11654623 has 2 divisors, whose sum is σ = 11654624. Its totient is φ = 11654622.

The previous prime is 11654609. The next prime is 11654651. The reversal of 11654623 is 32645611.

It is an a-pointer prime, because the next prime (11654651) can be obtained adding 11654623 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11654623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11654591 and 11654600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11654603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827311 + 5827312.

It is an arithmetic number, because the mean of its divisors is an integer number (5827312).

Almost surely, 2^11654623 is an apocalyptic number.

11654623 is a deficient number, since it is larger than the sum of its proper divisors (1).

11654623 is an equidigital number, since it uses as much as digits as its factorization.

11654623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 11654623 is about 3413.8867878124. The cubic root of 11654623 is about 226.7249996445.

The spelling of 11654623 in words is "eleven million, six hundred fifty-four thousand, six hundred twenty-three".