23480491 has 2 divisors, whose sum is σ = 23480492. Its totient is φ = 23480490.

The previous prime is 23480489. The next prime is 23480497. The reversal of 23480491 is 19408432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23480491 - 2¹ = 23480489 is a prime.

Together with 23480489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23480497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11740245 + 11740246.

It is an arithmetic number, because the mean of its divisors is an integer number (11740246).

Almost surely, 2^23480491 is an apocalyptic number.

23480491 is a deficient number, since it is larger than the sum of its proper divisors (1).

23480491 is an equidigital number, since it uses as much as digits as its factorization.

23480491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 23480491 is about 4845.6672399165. The cubic root of 23480491 is about 286.3534312190.

The spelling of 23480491 in words is "twenty-three million, four hundred eighty thousand, four hundred ninety-one".