40930121923 has 2 divisors, whose sum is σ = 40930121924. Its totient is φ = 40930121922.

The previous prime is 40930121887. The next prime is 40930121959. The reversal of 40930121923 is 32912103904.

It is a balanced prime because it is at equal distance from previous prime (40930121887) and next prime (40930121959).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40930121923 is a prime.

It is not a weakly prime, because it can be changed into another prime (40930128923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20465060961 + 20465060962.

It is an arithmetic number, because the mean of its divisors is an integer number (20465060962).

Almost surely, 2^40930121923 is an apocalyptic number.

40930121923 is a deficient number, since it is larger than the sum of its proper divisors (1).

40930121923 is an equidigital number, since it uses as much as digits as its factorization.

40930121923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 40930121923 in words is "forty billion, nine hundred thirty million, one hundred twenty-one thousand, nine hundred twenty-three".