40768923 has 16 divisors (see below), whose sum is σ = 59503136. Its totient is φ = 24675840.

The previous prime is 40768921. The next prime is 40768957. The reversal of 40768923 is 32986704.

It is not a de Polignac number, because 40768923 - 2¹ = 40768921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40768921) 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, 6190 + ... + 10947.

It is an arithmetic number, because the mean of its divisors is an integer number (3718946).

Almost surely, 2^40768923 is an apocalyptic number.

40768923 is a deficient number, since it is larger than the sum of its proper divisors (18734213).

40768923 is a wasteful number, since it uses less digits than its factorization.

40768923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17214.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 40768923 is about 6385.0546591239. The cubic root of 40768923 is about 344.1726953106.

The spelling of 40768923 in words is "forty million, seven hundred sixty-eight thousand, nine hundred twenty-three".