23049491 has 2 divisors, whose sum is σ = 23049492. Its totient is φ = 23049490.

The previous prime is 23049479. The next prime is 23049493. The reversal of 23049491 is 19494032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23049491 - 2¹⁴ = 23033107 is a prime.

It is a super-3 number, since 3×23049491³ (a number of 23 digits) contains 333 as substring.

Together with 23049493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23049493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11524745 + 11524746.

It is an arithmetic number, because the mean of its divisors is an integer number (11524746).

Almost surely, 2^23049491 is an apocalyptic number.

23049491 is a deficient number, since it is larger than the sum of its proper divisors (1).

23049491 is an equidigital number, since it uses as much as digits as its factorization.

23049491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23049491 is about 4800.9885440397. The cubic root of 23049491 is about 284.5905313036.

The spelling of 23049491 in words is "twenty-three million, forty-nine thousand, four hundred ninety-one".