3123256601346 has 16 divisors (see below), whose sum is σ = 7138872231744. Its totient is φ = 892359028944.

The previous prime is 3123256601341. The next prime is 3123256601347. The reversal of 3123256601346 is 6431066523213.

It is a super-3 number, since 3×3123256601346³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 74363252413 = 3123256601346 / (3 + 1 + 2 + 3 + 2 + 5 + 6 + 6 + 0 + 1 + 3 + 4 + 6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3123256601298 and 3123256601307.

It is not an unprimeable number, because it can be changed into a prime (3123256601341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37181626165 + ... + 37181626248.

It is an arithmetic number, because the mean of its divisors is an integer number (446179514484).

Almost surely, 2^{3123256601346} is an apocalyptic number.

3123256601346 is an abundant number, since it is smaller than the sum of its proper divisors (4015615630398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123256601346 is a wasteful number, since it uses less digits than its factorization.

3123256601346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74363252425.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 3123256601346 in words is "three trillion, one hundred twenty-three billion, two hundred fifty-six million, six hundred one thousand, three hundred forty-six".