121400350323 has 128 divisors (see below), whose sum is σ = 205364527104. Its totient is φ = 62270208000.

The previous prime is 121400350321. The next prime is 121400350327. The reversal of 121400350323 is 323053004121.

It is not a de Polignac number, because 121400350323 - 2¹ = 121400350321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121400350293 and 121400350302.

It is not an unprimeable number, because it can be changed into a prime (121400350321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 101082123 + ... + 101083323.

It is an arithmetic number, because the mean of its divisors is an integer number (1604410368).

Almost surely, 2^121400350323 is an apocalyptic number.

121400350323 is a deficient number, since it is larger than the sum of its proper divisors (83964176781).

121400350323 is a wasteful number, since it uses less digits than its factorization.

121400350323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 121400350323 its reverse (323053004121), we get a palindrome (444453354444).

The spelling of 121400350323 in words is "one hundred twenty-one billion, four hundred million, three hundred fifty thousand, three hundred twenty-three".