86700123 has 24 divisors (see below), whose sum is σ = 127286016. Its totient is φ = 56862000.

The previous prime is 86700113. The next prime is 86700127. The reversal of 86700123 is 32100768.

It is not a de Polignac number, because 86700123 - 2⁹ = 86699611 is a prime.

It is a super-2 number, since 2×86700123² = 15033822656430258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86700127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177786 + ... + 178272.

It is an arithmetic number, because the mean of its divisors is an integer number (5303584).

Almost surely, 2^86700123 is an apocalyptic number.

86700123 is a deficient number, since it is larger than the sum of its proper divisors (40585893).

86700123 is a wasteful number, since it uses less digits than its factorization.

86700123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 86700123 is about 9311.2900824751. The cubic root of 86700123 is about 442.5950691070.

The spelling of 86700123 in words is "eighty-six million, seven hundred thousand, one hundred twenty-three".