4102023532421 has 4 divisors (see below), whose sum is σ = 4102033123392. Its totient is φ = 4102013941452.

The previous prime is 4102023532403. The next prime is 4102023532423. The reversal of 4102023532421 is 1242353202014.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4102023532421 - 2²² = 4102019338117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102023532423) 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, 4122455 + ... + 5019828.

It is an arithmetic number, because the mean of its divisors is an integer number (1025508280848).

Almost surely, 2^{4102023532421} is an apocalyptic number.

It is an amenable number.

4102023532421 is a deficient number, since it is larger than the sum of its proper divisors (9590971).

4102023532421 is an equidigital number, since it uses as much as digits as its factorization.

4102023532421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9590970.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 4102023532421 its reverse (1242353202014), we get a palindrome (5344376734435).

The spelling of 4102023532421 in words is "four trillion, one hundred two billion, twenty-three million, five hundred thirty-two thousand, four hundred twenty-one".