40237124108723 has 2 divisors, whose sum is σ = 40237124108724. Its totient is φ = 40237124108722.

The previous prime is 40237124108711. The next prime is 40237124108761. The reversal of 40237124108723 is 32780142173204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40237124108723 - 2⁴⁰ = 39137612480947 is a prime.

It is not a weakly prime, because it can be changed into another prime (40237124108773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20118562054361 + 20118562054362.

It is an arithmetic number, because the mean of its divisors is an integer number (20118562054362).

Almost surely, 2^{40237124108723} is an apocalyptic number.

40237124108723 is a deficient number, since it is larger than the sum of its proper divisors (1).

40237124108723 is an equidigital number, since it uses as much as digits as its factorization.

40237124108723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 40237124108723 in words is "forty trillion, two hundred thirty-seven billion, one hundred twenty-four million, one hundred eight thousand, seven hundred twenty-three".