40213224400123 has 2 divisors, whose sum is σ = 40213224400124. Its totient is φ = 40213224400122.

The previous prime is 40213224400099. The next prime is 40213224400333. The reversal of 40213224400123 is 32100442231204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40213224400123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40213224400091 and 40213224400100.

It is not a weakly prime, because it can be changed into another prime (40213224400523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20106612200061 + 20106612200062.

It is an arithmetic number, because the mean of its divisors is an integer number (20106612200062).

Almost surely, 2^{40213224400123} is an apocalyptic number.

40213224400123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40213224400123 is an equidigital number, since it uses as much as digits as its factorization.

40213224400123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40213224400123 its reverse (32100442231204), we get a palindrome (72313666631327).

The spelling of 40213224400123 in words is "forty trillion, two hundred thirteen billion, two hundred twenty-four million, four hundred thousand, one hundred twenty-three".