23498491 has 2 divisors, whose sum is σ = 23498492. Its totient is φ = 23498490.

The previous prime is 23498473. The next prime is 23498507. The reversal of 23498491 is 19489432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23498491 - 2¹⁵ = 23465723 is a prime.

It is not a weakly prime, because it can be changed into another prime (23498411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11749245 + 11749246.

It is an arithmetic number, because the mean of its divisors is an integer number (11749246).

Almost surely, 2^23498491 is an apocalyptic number.

23498491 is a deficient number, since it is larger than the sum of its proper divisors (1).

23498491 is an equidigital number, since it uses as much as digits as its factorization.

23498491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 23498491 is about 4847.5242134516. The cubic root of 23498491 is about 286.4265847889.

The spelling of 23498491 in words is "twenty-three million, four hundred ninety-eight thousand, four hundred ninety-one".