40751223 has 16 divisors (see below), whose sum is σ = 55683936. Its totient is φ = 26499200.

The previous prime is 40751213. The next prime is 40751273. The reversal of 40751223 is 32215704.

It is a cyclic number.

It is not a de Polignac number, because 40751223 - 2⁹ = 40750711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40751193 and 40751202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40751203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30673 + ... + 31973.

It is an arithmetic number, because the mean of its divisors is an integer number (3480246).

Almost surely, 2^40751223 is an apocalyptic number.

40751223 is a deficient number, since it is larger than the sum of its proper divisors (14932713).

40751223 is a wasteful number, since it uses less digits than its factorization.

40751223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40751223 is about 6383.6684594362. The cubic root of 40751223 is about 344.1228800913.

Adding to 40751223 its reverse (32215704), we get a palindrome (72966927).

The spelling of 40751223 in words is "forty million, seven hundred fifty-one thousand, two hundred twenty-three".