83123407 has 2 divisors, whose sum is σ = 83123408. Its totient is φ = 83123406.

The previous prime is 83123377. The next prime is 83123477. The reversal of 83123407 is 70432138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83123407 - 2⁷ = 83123279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83123477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41561703 + 41561704.

It is an arithmetic number, because the mean of its divisors is an integer number (41561704).

Almost surely, 2^83123407 is an apocalyptic number.

83123407 is a deficient number, since it is larger than the sum of its proper divisors (1).

83123407 is an equidigital number, since it uses as much as digits as its factorization.

83123407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 83123407 is about 9117.2039025131. The cubic root of 83123407 is about 436.4231488657.

The spelling of 83123407 in words is "eighty-three million, one hundred twenty-three thousand, four hundred seven".