4351123240000 has 280 divisors, whose sum is σ = 10904137127928. Its totient is φ = 1722040320000.

The previous prime is 4351123239997. The next prime is 4351123240003. The reversal of 4351123240000 is 423211534.

It is an interprime number because it is at equal distance from previous prime (4351123239997) and next prime (4351123240003).

It can be written as a sum of positive squares in 20 ways, for example, as 3908876959744 + 442246280256 = 1977088^2 + 665016^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (4351123240003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1520838570 + ... + 1520841430.

Almost surely, 2^{4351123240000} is an apocalyptic number.

4351123240000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4351123240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5452068563964).

4351123240000 is an abundant number, since it is smaller than the sum of its proper divisors (6553013887928).

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

4351123240000 is a wasteful number, since it uses less digits than its factorization.

4351123240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 4351123240000 its reverse (423211534), we get a palindrome (4351546451534).

The spelling of 4351123240000 in words is "four trillion, three hundred fifty-one billion, one hundred twenty-three million, two hundred forty thousand".