42290900723 has 2 divisors, whose sum is σ = 42290900724. Its totient is φ = 42290900722.

The previous prime is 42290900713. The next prime is 42290900747. The reversal of 42290900723 is 32700909224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42290900723 - 2¹⁰ = 42290899699 is a prime.

It is not a weakly prime, because it can be changed into another prime (42290900713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21145450361 + 21145450362.

It is an arithmetic number, because the mean of its divisors is an integer number (21145450362).

Almost surely, 2^42290900723 is an apocalyptic number.

42290900723 is a deficient number, since it is larger than the sum of its proper divisors (1).

42290900723 is an equidigital number, since it uses as much as digits as its factorization.

42290900723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 42290900723 in words is "forty-two billion, two hundred ninety million, nine hundred thousand, seven hundred twenty-three".