40125023 has 2 divisors, whose sum is σ = 40125024. Its totient is φ = 40125022.

The previous prime is 40124963. The next prime is 40125031. The reversal of 40125023 is 32052104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40125023 - 2⁸ = 40124767 is a prime.

It is a super-2 number, since 2×40125023² = 3220034941501058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40124992 and 40125010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40125053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20062511 + 20062512.

It is an arithmetic number, because the mean of its divisors is an integer number (20062512).

Almost surely, 2^40125023 is an apocalyptic number.

40125023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40125023 is an equidigital number, since it uses as much as digits as its factorization.

40125023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40125023 is about 6334.4315451349. The cubic root of 40125023 is about 342.3511292915.

Adding to 40125023 its reverse (32052104), we get a palindrome (72177127).

The spelling of 40125023 in words is "forty million, one hundred twenty-five thousand, twenty-three".