40123741 has 4 divisors (see below), whose sum is σ = 45855712. Its totient is φ = 34391772.

The previous prime is 40123739. The next prime is 40123813. The reversal of 40123741 is 14732104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40123741 - 2¹ = 40123739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40123711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2865975 + ... + 2865988.

It is an arithmetic number, because the mean of its divisors is an integer number (11463928).

Almost surely, 2^40123741 is an apocalyptic number.

It is an amenable number.

40123741 is a deficient number, since it is larger than the sum of its proper divisors (5731971).

40123741 is an equidigital number, since it uses as much as digits as its factorization.

40123741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731970.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40123741 is about 6334.3303513473. The cubic root of 40123741 is about 342.3474831974.

Adding to 40123741 its reverse (14732104), we get a palindrome (54855845).

It can be divided in two parts, 401 and 23741, that added together give a palindrome (24142).

The spelling of 40123741 in words is "forty million, one hundred twenty-three thousand, seven hundred forty-one".