23029261 has 2 divisors, whose sum is σ = 23029262. Its totient is φ = 23029260.

The previous prime is 23029217. The next prime is 23029267. The reversal of 23029261 is 16292032.

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., 19053225 + 3976036 = 4365^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 23029261 - 2⁹ = 23028749 is a prime.

It is a super-2 number, since 2×23029261² = 1060693724412242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23029267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11514630 + 11514631.

It is an arithmetic number, because the mean of its divisors is an integer number (11514631).

Almost surely, 2^23029261 is an apocalyptic number.

It is an amenable number.

23029261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23029261 is an equidigital number, since it uses as much as digits as its factorization.

23029261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 23029261 is about 4798.8812237854. The cubic root of 23029261 is about 284.5072474456.

The spelling of 23029261 in words is "twenty-three million, twenty-nine thousand, two hundred sixty-one".