23199401 has 2 divisors, whose sum is σ = 23199402. Its totient is φ = 23199400.

The previous prime is 23199389. The next prime is 23199409. The reversal of 23199401 is 10499132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20241001 + 2958400 = 4499^2 + 1720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23199401 is a prime.

It is not a weakly prime, because it can be changed into another prime (23199409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599700 + 11599701.

It is an arithmetic number, because the mean of its divisors is an integer number (11599701).

Almost surely, 2^23199401 is an apocalyptic number.

It is an amenable number.

23199401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23199401 is an equidigital number, since it uses as much as digits as its factorization.

23199401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 23199401 is about 4816.5756508125. The cubic root of 23199401 is about 285.2061748101.

The spelling of 23199401 in words is "twenty-three million, one hundred ninety-nine thousand, four hundred one".