4140232523 has 4 divisors (see below), whose sum is σ = 4731694320. Its totient is φ = 3548770728.

The previous prime is 4140232517. The next prime is 4140232541. The reversal of 4140232523 is 3252320414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4140232523 - 2²² = 4136038219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4140232492 and 4140232501.

It is not an unprimeable number, because it can be changed into a prime (4140232123) 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, 295730888 + ... + 295730901.

It is an arithmetic number, because the mean of its divisors is an integer number (1182923580).

Almost surely, 2^4140232523 is an apocalyptic number.

4140232523 is a deficient number, since it is larger than the sum of its proper divisors (591461797).

4140232523 is an equidigital number, since it uses as much as digits as its factorization.

4140232523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591461796.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4140232523 is about 64344.6386500072. The cubic root of 4140232523 is about 1605.7388346000.

Adding to 4140232523 its reverse (3252320414), we get a palindrome (7392552937).

The spelling of 4140232523 in words is "four billion, one hundred forty million, two hundred thirty-two thousand, five hundred twenty-three".