87423103 has 2 divisors, whose sum is σ = 87423104. Its totient is φ = 87423102.

The previous prime is 87423101. The next prime is 87423107. The reversal of 87423103 is 30132478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87423103 - 2¹ = 87423101 is a prime.

Together with 87423101, it forms a pair of twin primes.

It is equal to p_5076253 and since 87423103 and 5076253 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87423101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43711551 + 43711552.

It is an arithmetic number, because the mean of its divisors is an integer number (43711552).

Almost surely, 2^87423103 is an apocalyptic number.

87423103 is a deficient number, since it is larger than the sum of its proper divisors (1).

87423103 is an equidigital number, since it uses as much as digits as its factorization.

87423103 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 87423103 is about 9350.0322459337. The cubic root of 87423103 is about 443.8219110333.

The spelling of 87423103 in words is "eighty-seven million, four hundred twenty-three thousand, one hundred three".