23736487 has 2 divisors, whose sum is σ = 23736488. Its totient is φ = 23736486.

The previous prime is 23736481. The next prime is 23736497. The reversal of 23736487 is 78463732.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23736487 - 2¹⁹ = 23212199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23736481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11868243 + 11868244.

It is an arithmetic number, because the mean of its divisors is an integer number (11868244).

Almost surely, 2^23736487 is an apocalyptic number.

23736487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23736487 is an equidigital number, since it uses as much as digits as its factorization.

23736487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The square root of 23736487 is about 4872.0105705961. The cubic root of 23736487 is about 287.3903279232.

It can be divided in two parts, 2 and 3736487, that added together give a square (3736489 = 1933²).

The spelling of 23736487 in words is "twenty-three million, seven hundred thirty-six thousand, four hundred eighty-seven".