40117677723 has 6 divisors (see below), whose sum is σ = 57947756724. Its totient is φ = 26745118476.

The previous prime is 40117677679. The next prime is 40117677767. The reversal of 40117677723 is 32777671104.

It is a happy number.

40117677723 is a `hidden beast` number, since 401 + 176 + 7 + 7 + 72 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (40117677679) and next prime (40117677767).

It is not a de Polignac number, because 40117677723 - 2¹² = 40117673627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40117677773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2228759865 + ... + 2228759882.

It is an arithmetic number, because the mean of its divisors is an integer number (9657959454).

Almost surely, 2^40117677723 is an apocalyptic number.

40117677723 is a deficient number, since it is larger than the sum of its proper divisors (17830079001).

40117677723 is a wasteful number, since it uses less digits than its factorization.

40117677723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457519753 (or 4457519750 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The spelling of 40117677723 in words is "forty billion, one hundred seventeen million, six hundred seventy-seven thousand, seven hundred twenty-three".