3123445350639 has 32 divisors (see below), whose sum is σ = 4330207365120. Its totient is φ = 2000234904192.

The previous prime is 3123445350611. The next prime is 3123445350643. The reversal of 3123445350639 is 9360535443213.

It is not a de Polignac number, because 3123445350639 - 2⁸ = 3123445350383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123445350539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31710264 + ... + 31808610.

It is an arithmetic number, because the mean of its divisors is an integer number (135318980160).

Almost surely, 2^{3123445350639} is an apocalyptic number.

3123445350639 is a deficient number, since it is larger than the sum of its proper divisors (1206762014481).

3123445350639 is a wasteful number, since it uses less digits than its factorization.

3123445350639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100239.

The product of its (nonzero) digits is 3499200, while the sum is 48.

The spelling of 3123445350639 in words is "three trillion, one hundred twenty-three billion, four hundred forty-five million, three hundred fifty thousand, six hundred thirty-nine".