23194949 has 2 divisors, whose sum is σ = 23194950. Its totient is φ = 23194948.

The previous prime is 23194943. The next prime is 23195009. The reversal of 23194949 is 94949132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16728100 + 6466849 = 4090^2 + 2543^2 .

It is a cyclic number.

It is not a de Polignac number, because 23194949 - 2¹⁶ = 23129413 is a prime.

It is a super-2 number, since 2×23194949² = 1076011318225202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23194943) 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, 11597474 + 11597475.

It is an arithmetic number, because the mean of its divisors is an integer number (11597475).

Almost surely, 2^23194949 is an apocalyptic number.

It is an amenable number.

23194949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23194949 is an equidigital number, since it uses as much as digits as its factorization.

23194949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 23194949 is about 4816.1134745768. The cubic root of 23194949 is about 285.1879298114.

The spelling of 23194949 in words is "twenty-three million, one hundred ninety-four thousand, nine hundred forty-nine".