3121446450623 has 4 divisors (see below), whose sum is σ = 3121466794008. Its totient is φ = 3121426107240.

The previous prime is 3121446450613. The next prime is 3121446450653. The reversal of 3121446450623 is 3260546441213.

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 3121446450623 - 2³⁶ = 3052726973887 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 (3121446450613) 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, 9939773 + ... + 10248998.

It is an arithmetic number, because the mean of its divisors is an integer number (780366698502).

Almost surely, 2^{3121446450623} is an apocalyptic number.

3121446450623 is a deficient number, since it is larger than the sum of its proper divisors (20343385).

3121446450623 is a wasteful number, since it uses less digits than its factorization.

3121446450623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20343384.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 3121446450623 in words is "three trillion, one hundred twenty-one billion, four hundred forty-six million, four hundred fifty thousand, six hundred twenty-three".