1406633423123 has 4 divisors (see below), whose sum is σ = 1406638633440. Its totient is φ = 1406628212808.

The previous prime is 1406633423119. The next prime is 1406633423131. The reversal of 1406633423123 is 3213243366041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1406633423123 - 2² = 1406633423119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406633425123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176715 + ... + 2747972.

It is an arithmetic number, because the mean of its divisors is an integer number (351659658360).

Almost surely, 2^{1406633423123} is an apocalyptic number.

1406633423123 is a deficient number, since it is larger than the sum of its proper divisors (5210317).

1406633423123 is an equidigital number, since it uses as much as digits as its factorization.

1406633423123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210316.

The product of its (nonzero) digits is 186624, while the sum is 38.

Adding to 1406633423123 its reverse (3213243366041), we get a palindrome (4619876789164).

The spelling of 1406633423123 in words is "one trillion, four hundred six billion, six hundred thirty-three million, four hundred twenty-three thousand, one hundred twenty-three".