40010051923 has 2 divisors, whose sum is σ = 40010051924. Its totient is φ = 40010051922.

The previous prime is 40010051911. The next prime is 40010051929. The reversal of 40010051923 is 32915001004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40010051923 is a prime.

It is not a weakly prime, because it can be changed into another prime (40010051929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005025961 + 20005025962.

It is an arithmetic number, because the mean of its divisors is an integer number (20005025962).

Almost surely, 2^40010051923 is an apocalyptic number.

40010051923 is a deficient number, since it is larger than the sum of its proper divisors (1).

40010051923 is an equidigital number, since it uses as much as digits as its factorization.

40010051923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 40010051923 its reverse (32915001004), we get a palindrome (72925052927).

The spelling of 40010051923 in words is "forty billion, ten million, fifty-one thousand, nine hundred twenty-three".