23003131 has 2 divisors, whose sum is σ = 23003132. Its totient is φ = 23003130.

The previous prime is 23003117. The next prime is 23003143. The reversal of 23003131 is 13130032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23003131 - 2²¹ = 20905979 is a prime.

It is a super-2 number, since 2×23003131² = 1058288071606322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23003171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11501565 + 11501566.

It is an arithmetic number, because the mean of its divisors is an integer number (11501566).

Almost surely, 2^23003131 is an apocalyptic number.

23003131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23003131 is an equidigital number, since it uses as much as digits as its factorization.

23003131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 23003131 is about 4796.1579415194. The cubic root of 23003131 is about 284.3996019612.

Adding to 23003131 its reverse (13130032), we get a palindrome (36133163).

The spelling of 23003131 in words is "twenty-three million, three thousand, one hundred thirty-one".