3640263123 has 16 divisors (see below), whose sum is σ = 5548522496. Its totient is φ = 2079604800.

The previous prime is 3640263119. The next prime is 3640263127. The reversal of 3640263123 is 3213620463.

3640263123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3640263119) and next prime (3640263127).

It is not a de Polignac number, because 3640263123 - 2² = 3640263119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3640263127) 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, 67590 + ... + 108852.

It is an arithmetic number, because the mean of its divisors is an integer number (346782656).

Almost surely, 2^3640263123 is an apocalyptic number.

3640263123 is a deficient number, since it is larger than the sum of its proper divisors (1908259373).

3640263123 is a wasteful number, since it uses less digits than its factorization.

3640263123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45474.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 3640263123 is about 60334.5930872166. The cubic root of 3640263123 is about 1538.3114008121.

Adding to 3640263123 its reverse (3213620463), we get a palindrome (6853883586).

The spelling of 3640263123 in words is "three billion, six hundred forty million, two hundred sixty-three thousand, one hundred twenty-three".