3123640231 has 16 divisors (see below), whose sum is σ = 3360922848. Its totient is φ = 2892672000.

The previous prime is 3123640229. The next prime is 3123640279. The reversal of 3123640231 is 1320463213.

It is a cyclic number.

It is not a de Polignac number, because 3123640231 - 2¹ = 3123640229 is a prime.

It is a super-3 number, since 3×3123640231³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3123640196 and 3123640205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123640211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274291 + ... + 285451.

It is an arithmetic number, because the mean of its divisors is an integer number (210057678).

Almost surely, 2^3123640231 is an apocalyptic number.

3123640231 is a deficient number, since it is larger than the sum of its proper divisors (237282617).

3123640231 is a wasteful number, since it uses less digits than its factorization.

3123640231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3123640231 is about 55889.5359705196. The cubic root of 3123640231 is about 1461.7967856131.

The spelling of 3123640231 in words is "three billion, one hundred twenty-three million, six hundred forty thousand, two hundred thirty-one".