921341423 has 4 divisors (see below), whose sum is σ = 940944480. Its totient is φ = 901738368.

The previous prime is 921341419. The next prime is 921341437. The reversal of 921341423 is 324143129.

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 921341423 - 2² = 921341419 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 (921341923) 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, 9801458 + ... + 9801551.

It is an arithmetic number, because the mean of its divisors is an integer number (235236120).

Almost surely, 2^921341423 is an apocalyptic number.

921341423 is a deficient number, since it is larger than the sum of its proper divisors (19603057).

921341423 is a wasteful number, since it uses less digits than its factorization.

921341423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19603056.

The product of its digits is 5184, while the sum is 29.

The square root of 921341423 is about 30353.6064249374. The cubic root of 921341423 is about 973.0612970315.

The spelling of 921341423 in words is "nine hundred twenty-one million, three hundred forty-one thousand, four hundred twenty-three".