4023435047721 has 4 divisors (see below), whose sum is σ = 5364580063632. Its totient is φ = 2682290031812.

The previous prime is 4023435047701. The next prime is 4023435047747. The reversal of 4023435047721 is 1277405343204.

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 4023435047721 - 2⁶ = 4023435047657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4023435047701) 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, 670572507951 + ... + 670572507956.

It is an arithmetic number, because the mean of its divisors is an integer number (1341145015908).

Almost surely, 2^{4023435047721} is an apocalyptic number.

It is an amenable number.

4023435047721 is a deficient number, since it is larger than the sum of its proper divisors (1341145015911).

4023435047721 is a wasteful number, since it uses less digits than its factorization.

4023435047721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341145015910.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 4023435047721 in words is "four trillion, twenty-three billion, four hundred thirty-five million, forty-seven thousand, seven hundred twenty-one".