40502023 has 2 divisors, whose sum is σ = 40502024. Its totient is φ = 40502022.

The previous prime is 40502003. The next prime is 40502039. The reversal of 40502023 is 32020504.

It is an a-pointer prime, because the next prime (40502039) can be obtained adding 40502023 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40502023 - 2⁹ = 40501511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40501988 and 40502006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40502003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251011 + 20251012.

It is an arithmetic number, because the mean of its divisors is an integer number (20251012).

Almost surely, 2^40502023 is an apocalyptic number.

40502023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40502023 is an equidigital number, since it uses as much as digits as its factorization.

40502023 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 16.

The square root of 40502023 is about 6364.1199705851. The cubic root of 40502023 is about 343.4199905891.

Adding to 40502023 its reverse (32020504), we get a palindrome (72522527).

The spelling of 40502023 in words is "forty million, five hundred two thousand, twenty-three".