23061131 has 2 divisors, whose sum is σ = 23061132. Its totient is φ = 23061130.

The previous prime is 23061121. The next prime is 23061139. The reversal of 23061131 is 13116032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23061131 is a prime.

It is a super-2 number, since 2×23061131² = 1063631525998322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23061139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11530565 + 11530566.

It is an arithmetic number, because the mean of its divisors is an integer number (11530566).

Almost surely, 2^23061131 is an apocalyptic number.

23061131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23061131 is an equidigital number, since it uses as much as digits as its factorization.

23061131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 23061131 is about 4802.2006413727. The cubic root of 23061131 is about 284.6384293434.

Adding to 23061131 its reverse (13116032), we get a palindrome (36177163).

The spelling of 23061131 in words is "twenty-three million, sixty-one thousand, one hundred thirty-one".