83551423 has 2 divisors, whose sum is σ = 83551424. Its totient is φ = 83551422.

The previous prime is 83551393. The next prime is 83551441. The reversal of 83551423 is 32415538.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83551423 - 2²¹ = 81454271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83551453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41775711 + 41775712.

It is an arithmetic number, because the mean of its divisors is an integer number (41775712).

Almost surely, 2^83551423 is an apocalyptic number.

83551423 is a deficient number, since it is larger than the sum of its proper divisors (1).

83551423 is an equidigital number, since it uses as much as digits as its factorization.

83551423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 83551423 is about 9140.6467495468. The cubic root of 83551423 is about 437.1709381937.

The spelling of 83551423 in words is "eighty-three million, five hundred fifty-one thousand, four hundred twenty-three".