123003402341200 has 30 divisors (see below), whose sum is σ = 295515674125694. Its totient is φ = 49201360936320.

The previous prime is 123003402341161. The next prime is 123003402341201. The reversal of 123003402341200 is 2143204300321.

It can be written as a sum of positive squares in 3 ways, for example, as 7501266456336 + 115502135884864 = 2738844^2 + 10747192^2 .

It is a super-2 number, since 2×123003402341200² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123003402341201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153754252527 + ... + 153754253326.

Almost surely, 2^{123003402341200} is an apocalyptic number.

123003402341200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123003402341200 is an abundant number, since it is smaller than the sum of its proper divisors (172512271784494).

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

123003402341200 is a wasteful number, since it uses less digits than its factorization.

123003402341200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307508505871 (or 307508505860 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123003402341200 its reverse (2143204300321), we get a palindrome (125146606641521).

The spelling of 123003402341200 in words is "one hundred twenty-three trillion, three billion, four hundred two million, three hundred forty-one thousand, two hundred".