23450491 has 2 divisors, whose sum is σ = 23450492. Its totient is φ = 23450490.

The previous prime is 23450431. The next prime is 23450513. The reversal of 23450491 is 19405432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23450491 - 2¹³ = 23442299 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (23450431) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725245 + 11725246.

It is an arithmetic number, because the mean of its divisors is an integer number (11725246).

Almost surely, 2^23450491 is an apocalyptic number.

23450491 is a deficient number, since it is larger than the sum of its proper divisors (1).

23450491 is an equidigital number, since it uses as much as digits as its factorization.

23450491 is an evil number, because the sum of its binary digits is even.

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

The square root of 23450491 is about 4842.5707016005. The cubic root of 23450491 is about 286.2314254774.

The spelling of 23450491 in words is "twenty-three million, four hundred fifty thousand, four hundred ninety-one".