40604715125123 has 4 divisors (see below), whose sum is σ = 42993227779560. Its totient is φ = 38216202470688.

The previous prime is 40604715125111. The next prime is 40604715125137. The reversal of 40604715125123 is 32152151740604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40604715125123 - 2²⁴ = 40604698347907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40604715122123) 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, 1194256327193 + ... + 1194256327226.

It is an arithmetic number, because the mean of its divisors is an integer number (10748306944890).

Almost surely, 2^{40604715125123} is an apocalyptic number.

40604715125123 is a deficient number, since it is larger than the sum of its proper divisors (2388512654437).

40604715125123 is a wasteful number, since it uses less digits than its factorization.

40604715125123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388512654436.

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 40604715125123 its reverse (32152151740604), we get a palindrome (72756866865727).

The spelling of 40604715125123 in words is "forty trillion, six hundred four billion, seven hundred fifteen million, one hundred twenty-five thousand, one hundred twenty-three".