20121402323043 has 48 divisors (see below), whose sum is σ = 34969843334400. Its totient is φ = 10891127263680.

The previous prime is 20121402323027. The next prime is 20121402323063. The reversal of 20121402323043 is 34032320412102.

20121402323043 is a `hidden beast` number, since 2 + 0 + 1 + 21 + 402 + 3 + 230 + 4 + 3 = 666.

It is not a de Polignac number, because 20121402323043 - 2⁴ = 20121402323027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20121402322998 and 20121402323016.

It is not an unprimeable number, because it can be changed into a prime (20121402323063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6586393 + ... + 9144581.

It is an arithmetic number, because the mean of its divisors is an integer number (728538402800).

Almost surely, 2^{20121402323043} is an apocalyptic number.

20121402323043 is a deficient number, since it is larger than the sum of its proper divisors (14848441011357).

20121402323043 is a wasteful number, since it uses less digits than its factorization.

20121402323043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564792 (or 2564789 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20121402323043 its reverse (34032320412102), we get a palindrome (54153722735145).

The spelling of 20121402323043 in words is "twenty trillion, one hundred twenty-one billion, four hundred two million, three hundred twenty-three thousand, forty-three".