85254538423 has 2 divisors, whose sum is σ = 85254538424. Its totient is φ = 85254538422.

The previous prime is 85254538387. The next prime is 85254538427. The reversal of 85254538423 is 32483545258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85254538423 - 2²¹ = 85252441271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85254538427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42627269211 + 42627269212.

It is an arithmetic number, because the mean of its divisors is an integer number (42627269212).

Almost surely, 2^85254538423 is an apocalyptic number.

85254538423 is a deficient number, since it is larger than the sum of its proper divisors (1).

85254538423 is an equidigital number, since it uses as much as digits as its factorization.

85254538423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608000, while the sum is 49.

The spelling of 85254538423 in words is "eighty-five billion, two hundred fifty-four million, five hundred thirty-eight thousand, four hundred twenty-three".