712207123 has 4 divisors (see below), whose sum is σ = 712260520. Its totient is φ = 712153728.

The previous prime is 712207109. The next prime is 712207157. The reversal of 712207123 is 321702217.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 321702217 = 15377 ⋅20921.

It is a cyclic number.

It is not a de Polignac number, because 712207123 - 2¹⁷ = 712076051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712207183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12211 + ... + 39667.

It is an arithmetic number, because the mean of its divisors is an integer number (178065130).

Almost surely, 2^712207123 is an apocalyptic number.

712207123 is a deficient number, since it is larger than the sum of its proper divisors (53397).

712207123 is a wasteful number, since it uses less digits than its factorization.

712207123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53396.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 712207123 is about 26687.2089773359. The cubic root of 712207123 is about 893.0355979317.

The spelling of 712207123 in words is "seven hundred twelve million, two hundred seven thousand, one hundred twenty-three".