23210401 has 2 divisors, whose sum is σ = 23210402. Its totient is φ = 23210400.

The previous prime is 23210347. The next prime is 23210417. The reversal of 23210401 is 10401232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19368801 + 3841600 = 4401^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 23210401 - 2⁷ = 23210273 is a prime.

It is a super-3 number, since 3×23210401³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23210431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605200 + 11605201.

It is an arithmetic number, because the mean of its divisors is an integer number (11605201).

Almost surely, 2^23210401 is an apocalyptic number.

It is an amenable number.

23210401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210401 is an equidigital number, since it uses as much as digits as its factorization.

23210401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 23210401 is about 4817.7174055770. The cubic root of 23210401 is about 285.2512445400.

Adding to 23210401 its reverse (10401232), we get a palindrome (33611633).

The spelling of 23210401 in words is "twenty-three million, two hundred ten thousand, four hundred one".