84262478423 has 2 divisors, whose sum is σ = 84262478424. Its totient is φ = 84262478422.

The previous prime is 84262478371. The next prime is 84262478431. The reversal of 84262478423 is 32487426248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84262478423 - 2³⁴ = 67082609239 is a prime.

It is a super-4 number, since 4×84262478423⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84262478473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42131239211 + 42131239212.

It is an arithmetic number, because the mean of its divisors is an integer number (42131239212).

Almost surely, 2^84262478423 is an apocalyptic number.

84262478423 is a deficient number, since it is larger than the sum of its proper divisors (1).

84262478423 is an equidigital number, since it uses as much as digits as its factorization.

84262478423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4128768, while the sum is 50.

The spelling of 84262478423 in words is "eighty-four billion, two hundred sixty-two million, four hundred seventy-eight thousand, four hundred twenty-three".