23487963 has 4 divisors (see below), whose sum is σ = 31317288. Its totient is φ = 15658640.

The previous prime is 23487953. The next prime is 23487973. The reversal of 23487963 is 36978432.

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

It is an interprime number because it is at equal distance from previous prime (23487953) and next prime (23487973).

It is a cyclic number.

It is not a de Polignac number, because 23487963 - 2⁸ = 23487707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23487923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3914658 + ... + 3914663.

It is an arithmetic number, because the mean of its divisors is an integer number (7829322).

Almost surely, 2^23487963 is an apocalyptic number.

23487963 is a deficient number, since it is larger than the sum of its proper divisors (7829325).

23487963 is an equidigital number, since it uses as much as digits as its factorization.

23487963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829324.

The product of its digits is 217728, while the sum is 42.

The square root of 23487963 is about 4846.4381766407. The cubic root of 23487963 is about 286.3838026156.

The spelling of 23487963 in words is "twenty-three million, four hundred eighty-seven thousand, nine hundred sixty-three".