1401332433123 has 16 divisors (see below), whose sum is σ = 2140036290560. Its totient is φ = 799009171776.

The previous prime is 1401332433119. The next prime is 1401332433167. The reversal of 1401332433123 is 3213342331041.

It is not a de Polignac number, because 1401332433123 - 2² = 1401332433119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401332433103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72999283 + ... + 73018476.

It is an arithmetic number, because the mean of its divisors is an integer number (133752268160).

Almost surely, 2^{1401332433123} is an apocalyptic number.

1401332433123 is a deficient number, since it is larger than the sum of its proper divisors (738703857437).

1401332433123 is a wasteful number, since it uses less digits than its factorization.

1401332433123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146018226.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 1401332433123 its reverse (3213342331041), we get a palindrome (4614674764164).

The spelling of 1401332433123 in words is "one trillion, four hundred one billion, three hundred thirty-two million, four hundred thirty-three thousand, one hundred twenty-three".