425473387723 has 2 divisors, whose sum is σ = 425473387724. Its totient is φ = 425473387722.

The previous prime is 425473387693. The next prime is 425473387789. The reversal of 425473387723 is 327783374524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425473387723 is a prime.

It is not a weakly prime, because it can be changed into another prime (425473388723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212736693861 + 212736693862.

It is an arithmetic number, because the mean of its divisors is an integer number (212736693862).

Almost surely, 2^425473387723 is an apocalyptic number.

425473387723 is a deficient number, since it is larger than the sum of its proper divisors (1).

425473387723 is an equidigital number, since it uses as much as digits as its factorization.

425473387723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23708160, while the sum is 55.

The spelling of 425473387723 in words is "four hundred twenty-five billion, four hundred seventy-three million, three hundred eighty-seven thousand, seven hundred twenty-three".