23031461 has 2 divisors, whose sum is σ = 23031462. Its totient is φ = 23031460.

The previous prime is 23031409. The next prime is 23031469. The reversal of 23031461 is 16413032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15358561 + 7672900 = 3919^2 + 2770^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031461 - 2⁶ = 23031397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515730 + 11515731.

It is an arithmetic number, because the mean of its divisors is an integer number (11515731).

Almost surely, 2^23031461 is an apocalyptic number.

It is an amenable number.

23031461 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031461 is an equidigital number, since it uses as much as digits as its factorization.

23031461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 23031461 is about 4799.1104384042. The cubic root of 23031461 is about 284.5163068767.

Adding to 23031461 its reverse (16413032), we get a palindrome (39444493).

The spelling of 23031461 in words is "twenty-three million, thirty-one thousand, four hundred sixty-one".