23961031 has 2 divisors, whose sum is σ = 23961032. Its totient is φ = 23961030.

The previous prime is 23961013. The next prime is 23961053. The reversal of 23961031 is 13016932.

Together with previous prime (23961013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23961031 - 2⁵ = 23960999 is a prime.

It is a super-2 number, since 2×23961031² = 1148262013165922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23960987 and 23961005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23961011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11980515 + 11980516.

It is an arithmetic number, because the mean of its divisors is an integer number (11980516).

Almost surely, 2^23961031 is an apocalyptic number.

23961031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23961031 is an equidigital number, since it uses as much as digits as its factorization.

23961031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 23961031 is about 4895.0006128702. Note that the first 3 decimals coincide. The cubic root of 23961031 is about 288.2937099779.

Adding to 23961031 its reverse (13016932), we get a palindrome (36977963).

The spelling of 23961031 in words is "twenty-three million, nine hundred sixty-one thousand, thirty-one".