40170537023 has 4 divisors (see below), whose sum is σ = 40170944880. Its totient is φ = 40170129168.

The previous prime is 40170537013. The next prime is 40170537031. The reversal of 40170537023 is 32073507104.

40170537023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40170537023 - 2²⁶ = 40103428159 is a prime.

It is a super-2 number, since 2×40170537023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40170537013) 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, 45518 + ... + 287076.

It is an arithmetic number, because the mean of its divisors is an integer number (10042736220).

Almost surely, 2^40170537023 is an apocalyptic number.

40170537023 is a deficient number, since it is larger than the sum of its proper divisors (407857).

40170537023 is a wasteful number, since it uses less digits than its factorization.

40170537023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407856.

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 40170537023 in words is "forty billion, one hundred seventy million, five hundred thirty-seven thousand, twenty-three".