23789497 has 2 divisors, whose sum is σ = 23789498. Its totient is φ = 23789496.

The previous prime is 23789419. The next prime is 23789509. The reversal of 23789497 is 79498732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13220496 + 10569001 = 3636^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 23789497 - 2¹⁵ = 23756729 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23789497.

It is not a weakly prime, because it can be changed into another prime (23789407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11894748 + 11894749.

It is an arithmetic number, because the mean of its divisors is an integer number (11894749).

Almost surely, 2^23789497 is an apocalyptic number.

It is an amenable number.

23789497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23789497 is an equidigital number, since it uses as much as digits as its factorization.

23789497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The square root of 23789497 is about 4877.4477957227. The cubic root of 23789497 is about 287.6041089876.

The spelling of 23789497 in words is "twenty-three million, seven hundred eighty-nine thousand, four hundred ninety-seven".