23342491 has 2 divisors, whose sum is σ = 23342492. Its totient is φ = 23342490.

The previous prime is 23342483. The next prime is 23342509. The reversal of 23342491 is 19424332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23342491 - 2³ = 23342483 is a prime.

It is not a weakly prime, because it can be changed into another prime (23342591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11671245 + 11671246.

It is an arithmetic number, because the mean of its divisors is an integer number (11671246).

Almost surely, 2^23342491 is an apocalyptic number.

23342491 is a deficient number, since it is larger than the sum of its proper divisors (1).

23342491 is an equidigital number, since it uses as much as digits as its factorization.

23342491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 23342491 is about 4831.4067309636. The cubic root of 23342491 is about 285.7913412762.

It can be divided in two parts, 233 and 42491, that added together give a palindrome (42724).

The spelling of 23342491 in words is "twenty-three million, three hundred forty-two thousand, four hundred ninety-one".