40071530123 has 8 divisors (see below), whose sum is σ = 40495938816. Its totient is φ = 39647664000.

The previous prime is 40071530063. The next prime is 40071530137. The reversal of 40071530123 is 32103517004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40071530123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40071530092 and 40071530101.

It is not an unprimeable number, because it can be changed into a prime (40071535123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13715 + ... + 283427.

It is an arithmetic number, because the mean of its divisors is an integer number (5061992352).

Almost surely, 2^40071530123 is an apocalyptic number.

40071530123 is a deficient number, since it is larger than the sum of its proper divisors (424408693).

40071530123 is a wasteful number, since it uses less digits than its factorization.

40071530123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271285.

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 40071530123 in words is "forty billion, seventy-one million, five hundred thirty thousand, one hundred twenty-three".